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CMS RVU26D · Effective 2026-10-01

89049 in Merced

Office / nonfacility

$381.42

Base rate per service

Facility setting

$57.08

Base rate per service

Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.

Laboratory testing

About 89049: Malignant hyperthermia contracture test

Reports specialized muscle contracture testing that evaluates malignant hyperthermia susceptibility, typically after a patient or family history raises concern.

This specialized test evaluates how fresh skeletal muscle responds to caffeine and halothane under controlled laboratory conditions. A muscle specimen is obtained for testing, generally through a biopsy, and the contracture response helps assess susceptibility to malignant hyperthermia. It is used in specialized testing settings for patients with a concerning personal history or a family history of malignant hyperthermia susceptibility; it is not a test for treating an acute anesthetic crisis.

Report the code when the contracture testing itself is performed, rather than for a muscle biopsy alone or for genetic testing alone. Documentation should identify the clinical reason for testing and support that the muscle specimen underwent the contracture procedure, with the resulting interpretation recorded. CMS assigns physician fee schedule values to this service; those values contribute to payment calculation. The supplied CMS rules list no code-specific payment adjustments.

Where the value comes from

  • Work RVU1.37 · 13%
  • Practice expense (office) RVU9.06 · 85%
  • Malpractice RVU0.18 · 2%

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

89049 compared with similar codes

Office rates for Merced, from the same CMS release.

20205

Muscle biopsy

Open deep-muscle approach

$353.00

This code describes a deep muscle biopsy. Code 89049 identifies contracture testing of muscle; the biopsy alone does not establish that the test was performed.

81479

Unlisted molecular pathology

No office rate

This is an unlisted molecular pathology code, not the caffeine-halothane contracture procedure. Select coding based on the actual molecular assay when genetic testing is performed.

The same code, a different location

How does Merced compare?

In Bakersfield, the office rate for 89049 is $381.95—$0.53 higher than the $381.42 rate in Merced. Both use the same code, release and participation basis.

89049 across payment areas

Same release and payment basis · bars start at $0

  1. Merced · This locality

    $381.42

  2. Bakersfield

    $381.95

    $0.53 higher than Merced

  3. Chico

    $381.42

    The same base rate than Merced

  4. El Centro

    $381.45

    $0.03 higher than Merced

  5. Fresno

    $381.42

    The same base rate than Merced

  6. Hanford-Corcoran

    $381.42

    The same base rate than Merced

  7. Los Angeles-Long Beach-Anaheim (Los Angeles/Orange Cnty)

    $409.62

    $28.20 higher than Merced

Other payment areas listed in California appear first, followed by selected cross-country examples. The chart compares amounts, not distance.

Across 109 of 109 CMS payment localities with a supported office rate, 89049 ranges from $308.80 in Arkansas to $490.38 in San Jose-Sunnyvale-Santa Clara (San Benito Cnty). This is a geographic range, not an average.

The code’s RVUs stay the same in these comparisons. Geographic adjustments to work, practice expense and malpractice change the dollar amount. A city name alone may not identify the payment area for a service address.

Compare all 108 other payment areas

  • Madera

    California · 89049

    Office

    $381.42

    Facility

    $57.08

    The same base rate than Merced for the office setting.

  • Modesto

    California · 89049

    Office

    $381.42

    Facility

    $57.08

    The same base rate than Merced for the office setting.

  • Napa

    California · 89049

    Office

    $450.54

    Facility

    $60.50

    $69.12 higher than Merced for the office setting.

  • Oxnard-Thousand Oaks-Ventura

    California · 89049

    Office

    $408.47

    Facility

    $58.68

    $27.05 higher than Merced for the office setting.

  • Redding

    California · 89049

    Office

    $381.42

    Facility

    $57.08

    The same base rate than Merced for the office setting.

  • Rest Of California

    California · 89049

    Office

    $381.42

    Facility

    $57.08

    The same base rate than Merced for the office setting.

  • Riverside-San Bernardino-Ontario

    California · 89049

    Office

    $383.37

    Facility

    $59.03

    $1.95 higher than Merced for the office setting.

  • Sacramento-Roseville-Folsom

    California · 89049

    Office

    $402.57

    Facility

    $58.40

    $21.15 higher than Merced for the office setting.

  • Salinas

    California · 89049

    Office

    $401.13

    Facility

    $58.14

    $19.71 higher than Merced for the office setting.

  • San Diego-Chula Vista-Carlsbad

    California · 89049

    Office

    $412.31

    Facility

    $58.38

    $30.89 higher than Merced for the office setting.

  • San Francisco-Oakland-Berkeley (Marin Cnty)

    California · 89049

    Office

    $479.55

    Facility

    $62.28

    $98.13 higher than Merced for the office setting.

  • San Francisco-Oakland-Berkeley (San Francisco/San Mateo/Alameda/Contra Costa Cnty)

    California · 89049

    Office

    $479.34

    Facility

    $62.08

    $97.92 higher than Merced for the office setting.

  • San Jose-Sunnyvale-Santa Clara (San Benito Cnty)

    California · 89049

    Office

    $490.38

    Facility

    $63.65

    $108.96 higher than Merced for the office setting.

  • San Jose-Sunnyvale-Santa Clara (Santa Clara Cnty)

    California · 89049

    Office

    $489.55

    Facility

    $62.81

    $108.13 higher than Merced for the office setting.

  • San Luis Obispo-Paso Robles

    California · 89049

    Office

    $394.43

    Facility

    $57.37

    $13.01 higher than Merced for the office setting.

  • Santa Cruz-Watsonville

    California · 89049

    Office

    $417.62

    Facility

    $58.06

    $36.20 higher than Merced for the office setting.

  • Santa Maria-Santa Barbara

    California · 89049

    Office

    $403.11

    Facility

    $58.05

    $21.69 higher than Merced for the office setting.

  • Santa Rosa-Petaluma

    California · 89049

    Office

    $421.96

    Facility

    $58.56

    $40.54 higher than Merced for the office setting.

  • Stockton

    California · 89049

    Office

    $381.42

    Facility

    $57.08

    The same base rate than Merced for the office setting.

  • Vallejo

    California · 89049

    Office

    $450.24

    Facility

    $60.21

    $68.82 higher than Merced for the office setting.

  • Visalia

    California · 89049

    Office

    $381.42

    Facility

    $57.08

    The same base rate than Merced for the office setting.

  • Yuba City

    California · 89049

    Office

    $381.42

    Facility

    $57.08

    The same base rate than Merced for the office setting.

  • Dc + Md/Va Suburbs

    District of Columbia · 89049

    Office

    $411.40

    Facility

    $62.79

    $29.98 higher than Merced for the office setting.

  • Miami

    Florida · 89049

    Office

    $375.98

    Facility

    $67.92

    $5.44 lower than Merced for the office setting.

  • Chicago

    Illinois · 89049

    Office

    $364.00

    Facility

    $66.59

    $17.42 lower than Merced for the office setting.

  • Manhattan

    New York · 89049

    Office

    $409.86

    Facility

    $65.99

    $28.44 higher than Merced for the office setting.

  • Alaska*

    Alaska · 89049

    Office

    $394.23

    Facility

    $79.07

    $12.81 higher than Merced for the office setting.

  • Alabama

    Alabama · 89049

    Office

    $313.95

    Facility

    $55.01

    $67.47 lower than Merced for the office setting.

  • Arkansas

    Arkansas · 89049

    Office

    $308.80

    Facility

    $54.59

    $72.62 lower than Merced for the office setting.

  • Arizona

    Arizona · 89049

    Office

    $344.14

    Facility

    $57.38

    $37.28 lower than Merced for the office setting.

  • Colorado

    Colorado · 89049

    Office

    $372.98

    Facility

    $58.11

    $8.44 lower than Merced for the office setting.

  • Connecticut

    Connecticut · 89049

    Office

    $379.86

    Facility

    $61.14

    $1.56 lower than Merced for the office setting.

  • Delaware

    Delaware · 89049

    Office

    $350.37

    Facility

    $57.99

    $31.05 lower than Merced for the office setting.

  • Fort Lauderdale

    Florida · 89049

    Office

    $363.18

    Facility

    $63.40

    $18.24 lower than Merced for the office setting.

  • Rest Of Florida

    Florida · 89049

    Office

    $344.09

    Facility

    $61.18

    $37.33 lower than Merced for the office setting.

  • Atlanta

    Georgia · 89049

    Office

    $360.57

    Facility

    $59.90

    $20.85 lower than Merced for the office setting.

  • Rest Of Georgia

    Georgia · 89049

    Office

    $322.86

    Facility

    $58.88

    $58.56 lower than Merced for the office setting.

  • Hawaii, Guam

    Hawaii · 89049

    Office

    $393.31

    Facility

    $56.84

    $11.89 higher than Merced for the office setting.

  • Iowa

    Iowa · 89049

    Office

    $325.04

    Facility

    $54.26

    $56.38 lower than Merced for the office setting.

  • Idaho

    Idaho · 89049

    Office

    $327.01

    Facility

    $54.75

    $54.41 lower than Merced for the office setting.

  • East St. Louis

    Illinois · 89049

    Office

    $336.27

    Facility

    $64.01

    $45.15 lower than Merced for the office setting.

  • Rest Of Illinois

    Illinois · 89049

    Office

    $331.44

    Facility

    $61.26

    $49.98 lower than Merced for the office setting.

  • Suburban Chicago

    Illinois · 89049

    Office

    $367.52

    Facility

    $63.59

    $13.90 lower than Merced for the office setting.

  • Indiana

    Indiana · 89049

    Office

    $329.20

    Facility

    $54.87

    $52.22 lower than Merced for the office setting.

  • Kansas

    Kansas · 89049

    Office

    $322.35

    Facility

    $54.83

    $59.07 lower than Merced for the office setting.

  • Kentucky

    Kentucky · 89049

    Office

    $320.28

    Facility

    $57.20

    $61.14 lower than Merced for the office setting.

  • New Orleans

    Louisiana · 89049

    Office

    $337.35

    Facility

    $58.88

    $44.07 lower than Merced for the office setting.

  • Rest Of Louisiana

    Louisiana · 89049

    Office

    $319.33

    Facility

    $57.43

    $62.09 lower than Merced for the office setting.

  • Metropolitan Boston

    Massachusetts · 89049

    Office

    $414.31

    Facility

    $60.96

    $32.89 higher than Merced for the office setting.

  • Rest Of Massachusetts

    Massachusetts · 89049

    Office

    $369.93

    Facility

    $58.32

    $11.49 lower than Merced for the office setting.

  • Baltimore/Surr. Cntys

    Maryland · 89049

    Office

    $378.63

    Facility

    $61.10

    $2.79 lower than Merced for the office setting.

  • Rest Of Maryland

    Maryland · 89049

    Office

    $357.98

    Facility

    $58.50

    $23.44 lower than Merced for the office setting.

  • Rest Of Maine

    Maine · 89049

    Office

    $327.90

    Facility

    $55.64

    $53.52 lower than Merced for the office setting.

  • Southern Maine

    Maine · 89049

    Office

    $349.44

    Facility

    $56.17

    $31.98 lower than Merced for the office setting.

  • Detroit

    Michigan · 89049

    Office

    $347.92

    Facility

    $62.34

    $33.50 lower than Merced for the office setting.

  • Rest Of Michigan

    Michigan · 89049

    Office

    $328.83

    Facility

    $58.65

    $52.59 lower than Merced for the office setting.

  • Minnesota

    Minnesota · 89049

    Office

    $358.93

    Facility

    $54.41

    $22.49 lower than Merced for the office setting.

  • Metropolitan Kansas City

    Missouri · 89049

    Office

    $335.79

    Facility

    $57.91

    $45.63 lower than Merced for the office setting.

  • Metropolitan St. Louis

    Missouri · 89049

    Office

    $339.87

    Facility

    $58.14

    $41.55 lower than Merced for the office setting.

  • Rest Of Missouri

    Missouri · 89049

    Office

    $312.47

    Facility

    $57.37

    $68.95 lower than Merced for the office setting.

  • Mississippi

    Mississippi · 89049

    Office

    $310.75

    Facility

    $55.95

    $70.67 lower than Merced for the office setting.

  • Montana**

    Montana · 89049

    Office

    $354.37

    Facility

    $58.44

    $27.05 lower than Merced for the office setting.

  • North Carolina

    North Carolina · 89049

    Office

    $331.94

    Facility

    $55.83

    $49.48 lower than Merced for the office setting.

  • North Dakota**

    North Dakota · 89049

    Office

    $350.81

    Facility

    $54.88

    $30.61 lower than Merced for the office setting.

  • Nebraska

    Nebraska · 89049

    Office

    $327.34

    Facility

    $54.20

    $54.08 lower than Merced for the office setting.

  • New Hampshire

    New Hampshire · 89049

    Office

    $366.04

    Facility

    $57.97

    $15.38 lower than Merced for the office setting.

  • Northern Nj

    New Jersey · 89049

    Office

    $406.09

    Facility

    $62.81

    $24.67 higher than Merced for the office setting.

  • Rest Of New Jersey

    New Jersey · 89049

    Office

    $384.64

    Facility

    $61.48

    $3.22 higher than Merced for the office setting.

  • New Mexico

    New Mexico · 89049

    Office

    $330.48

    Facility

    $59.11

    $50.94 lower than Merced for the office setting.

  • Nevada**

    Nevada · 89049

    Office

    $353.68

    Facility

    $57.45

    $27.74 lower than Merced for the office setting.

  • Nyc Suburbs/Long Island

    New York · 89049

    Office

    $419.66

    Facility

    $67.80

    $38.24 higher than Merced for the office setting.

  • Poughkpsie/N Nyc Suburbs

    New York · 89049

    Office

    $386.45

    Facility

    $62.41

    $5.03 higher than Merced for the office setting.

  • Queens

    New York · 89049

    Office

    $415.04

    Facility

    $65.25

    $33.62 higher than Merced for the office setting.

  • Rest Of New York

    New York · 89049

    Office

    $337.47

    Facility

    $56.33

    $43.95 lower than Merced for the office setting.

  • Ohio

    Ohio · 89049

    Office

    $328.10

    Facility

    $57.92

    $53.32 lower than Merced for the office setting.

  • Oklahoma

    Oklahoma · 89049

    Office

    $320.66

    Facility

    $56.40

    $60.76 lower than Merced for the office setting.

  • Portland

    Oregon · 89049

    Office

    $387.17

    Facility

    $58.39

    $5.75 higher than Merced for the office setting.

  • Rest Of Oregon

    Oregon · 89049

    Office

    $351.39

    Facility

    $56.64

    $30.03 lower than Merced for the office setting.

  • Metropolitan Philadelphia

    Pennsylvania · 89049

    Office

    $368.77

    Facility

    $60.71

    $12.65 lower than Merced for the office setting.

  • Rest Of Pennsylvania

    Pennsylvania · 89049

    Office

    $329.24

    Facility

    $57.57

    $52.18 lower than Merced for the office setting.

  • Puerto Rico

    Puerto Rico · 89049

    Office

    $357.62

    Facility

    $58.43

    $23.80 lower than Merced for the office setting.

  • Rhode Island

    Rhode Island · 89049

    Office

    $364.59

    Facility

    $58.89

    $16.83 lower than Merced for the office setting.

  • South Carolina

    South Carolina · 89049

    Office

    $330.48

    Facility

    $57.04

    $50.94 lower than Merced for the office setting.

  • South Dakota**

    South Dakota · 89049

    Office

    $350.39

    Facility

    $54.46

    $31.03 lower than Merced for the office setting.

  • Tennessee

    Tennessee · 89049

    Office

    $324.06

    Facility

    $55.06

    $57.36 lower than Merced for the office setting.

  • Austin

    Texas · 89049

    Office

    $371.34

    Facility

    $58.25

    $10.08 lower than Merced for the office setting.

  • Beaumont

    Texas · 89049

    Office

    $326.72

    Facility

    $57.42

    $54.70 lower than Merced for the office setting.

  • Brazoria

    Texas · 89049

    Office

    $350.70

    Facility

    $57.43

    $30.72 lower than Merced for the office setting.

  • Dallas

    Texas · 89049

    Office

    $352.73

    Facility

    $57.98

    $28.69 lower than Merced for the office setting.

  • Fort Worth

    Texas · 89049

    Office

    $349.78

    Facility

    $57.99

    $31.64 lower than Merced for the office setting.

  • Galveston

    Texas · 89049

    Office

    $351.60

    Facility

    $57.74

    $29.82 lower than Merced for the office setting.

  • Houston

    Texas · 89049

    Office

    $354.89

    Facility

    $61.03

    $26.53 lower than Merced for the office setting.

  • Rest Of Texas

    Texas · 89049

    Office

    $338.37

    Facility

    $57.53

    $43.05 lower than Merced for the office setting.

  • Utah

    Utah · 89049

    Office

    $335.61

    Facility

    $57.44

    $45.81 lower than Merced for the office setting.

  • Virginia

    Virginia · 89049

    Office

    $347.47

    Facility

    $56.57

    $33.95 lower than Merced for the office setting.

  • Virgin Islands

    United States Virgin Islands · 89049

    Office

    $357.62

    Facility

    $58.43

    $23.80 lower than Merced for the office setting.

  • Vermont

    Vermont · 89049

    Office

    $348.39

    Facility

    $55.41

    $33.03 lower than Merced for the office setting.

  • Rest Of Washington

    Washington · 89049

    Office

    $369.58

    Facility

    $57.96

    $11.84 lower than Merced for the office setting.

  • Seattle (King Cnty)

    Washington · 89049

    Office

    $424.26

    Facility

    $61.16

    $42.84 higher than Merced for the office setting.

  • Wisconsin

    Wisconsin · 89049

    Office

    $337.51

    Facility

    $54.01

    $43.91 lower than Merced for the office setting.

  • West Virginia

    West Virginia · 89049

    Office

    $317.33

    Facility

    $60.17

    $64.09 lower than Merced for the office setting.

  • Wyoming**

    Wyoming · 89049

    Office

    $352.82

    Facility

    $56.89

    $28.60 lower than Merced for the office setting.

See how rates vary across the country

89049 · Office / nonfacility · Non-QP. Choose a state to explore its payment localities. A range means the amount varies within that state.

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

Explore a state

Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

$308.80

$435.90

Color shows the midpoint of each state’s locality range.

View all state and territory rates as a table
State / territoryRate rangeLocalities
AK$394.231
AL$313.951
AR$308.801
AZ$344.141
CA$381.42–$490.3829
CO$372.981
CT$379.861
DC$411.401
DE$350.371
FL$344.09–$375.983
GA$322.86–$360.572
GU$393.311
HI$393.311
IA$325.041
ID$327.011
IL$331.44–$367.524
IN$329.201
KS$322.351
KY$320.281
LA$319.33–$337.352
MA$369.93–$414.312
MD$357.98–$411.403
ME$327.90–$349.442
MI$328.83–$347.922
MN$358.931
MO$312.47–$339.873
MS$310.751
MT$354.371
NC$331.941
ND$350.811
NE$327.341
NH$366.041
NJ$384.64–$406.092
NM$330.481
NV$353.681
NY$337.47–$419.665
OH$328.101
OK$320.661
OR$351.39–$387.172
PA$329.24–$368.772
PR$357.621
RI$364.591
SC$330.481
SD$350.391
TN$324.061
TX$326.72–$371.348
UT$335.611
VA$347.47–$411.402
VI$357.621
VT$348.391
WA$369.58–$424.262
WI$337.511
WV$317.331
WY$352.821

Explore 89049 on the national rate map →

Where does this rate apply?

Merced is a Medicare payment area. Our Census mapping connects it to 24 cities and communities in California, including the examples shown here.

Some communities span more than one payment area. Follow a city link to compare all of its mapped areas, or check the service-location ZIP above for an address-level starting point.

Browse all communities in California →

Why are the office and facility amounts different?

For 89049 in Merced, the physician’s office rate is $381.42 and the facility-setting rate is $57.08: a difference of $324.34.

The calculation uses a different practice-expense RVU for each setting. Both amounts here are physician fee-schedule amounts. The facility figure does not include a hospital’s separate charges, so this comparison does not tell you the total cost of receiving care in each setting.

See the inputs behind this difference →

Use this rate

What is a percentage of Medicare worth?

Turn a percentage into dollars for 89049 in Merced. This uses the base rate on this page, so the locality and release stay consistent.

Reference amount per service

$419.56

$381.42 × 110% = $419.56

A contract may specify another Medicare year or additional adjustments. This is percentage arithmetic on the displayed base rate, not a claim adjudication.

Working with a whole code list?

Compare an offer across your annual code mix, including an older Medicare schedule or flat per-code rates.

Compare your contract offer →

How this local rate is calculated

Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for 89049 in Merced.

PPRRVU2026_Oct_nonQPP.csv

11,334

Code
89049
Physician work
1.37
Practice expense
9.06
Malpractice
0.18

GPCI2026.csv

15

Locality
Merced
Physician work
1.017
Practice expense
1.096
Malpractice
0.536
Office / nonfacility calculation for 89049 in Merced
ComponentRVULocality factorAdjusted
Physician work1.37× 1.0171.3933
Practice expense9.06× 1.0969.9298
Malpractice0.18× 0.5360.0965
Total RVUs11.4195
Conversion factor× 33.4009

Office / nonfacility rate, Merced$381.42

Values as parsed from CMS release RVU26D, effective 2026-10-01. The amount is rounded to the nearest cent only at the end.

Open 89049 in the RVU calculator →

Explore RVUs, geographic factors and the full formula

Office / nonfacility

Office / nonfacility calculation inputs
ComponentRVULocal GPCI
Work1.371.017
Practice expense9.061.096
Malpractice0.180.536

(1.37 × 1.017 + 9.06 × 1.096 + 0.18 × 0.536) × $33.4009 = $381.42

Facility

Facility calculation inputs
ComponentRVULocal GPCI
Work1.371.017
Practice expense0.21.096
Malpractice0.180.536

(1.37 × 1.017 + 0.2 × 1.096 + 0.18 × 0.536) × $33.4009 = $57.08

The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.

How this rate has changed

89049 · Office / nonfacility

$381.42

Effective 2026-10-01

The base rate is $80.34 higher than on 2025-10-01, moving from $301.08 to $381.42 (26.7%).

It is unchanged from the immediately preceding available release, effective 2026-07-01.

Base rate by release · bars start at $0 · select a bar to compare

One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.

What changed, release by release

  1. January 1, 2026

    RVU26A

    $301.08changed to$381.42

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 1.40 changed to 1.37
    • Practice expense RVU 7.13 changed to 9.06
    • Malpractice RVU 0.17 changed to 0.18
    • Work GPCI 1.014 changed to 1.017
    • Practice expense GPCI 1.093 changed to 1.096
    • Malpractice GPCI 0.560 changed to 0.536

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    Earliest loaded release: $301.08

    Held through RVU25B, RVU25C, RVU25D.

Explore release dates and calculate this code in an earlier period →

Each row uses the accepted CMS release effective on that date and the same contractor and locality identifiers. Missing rates stay visible. Historical boundaries may differ; verify the service address for an older claim.

Inspect every release and its CMS source
Effective fromOffice / nonfacilityFacilityCMS release
2026-10-01$381.42$57.08RVU26D
2026-07-01$381.42$57.08RVU26C
2026-04-01$381.42$57.08RVU26B
2026-01-01$381.42$57.08RVU26A
2025-10-01$301.08$58.19RVU25D
2025-07-01$301.08$58.19RVU25C
2025-04-01$301.08$58.19RVU25B
2025-01-01$301.08$58.19RVU25A

89049 billing questions

When is this code appropriate instead of a genetic test?

Use it for the caffeine-halothane contracture test performed on skeletal muscle. A molecular assay is a different service and should be coded according to the assay performed.

Does this code report the muscle biopsy?

It identifies the contracture testing, not a standalone biopsy. The biopsy is the source of the muscle specimen; any separate reporting of tissue collection must reflect a distinct service and applicable coding guidance.

What documentation supports reporting the test?

Document the clinical concern, such as a relevant personal or family history, and that fresh skeletal muscle underwent contracture testing. Retain the test findings and interpretation.

Is this code used to evaluate an acute reaction during anesthesia?

No. This test evaluates susceptibility using a muscle specimen; it does not describe management of an acute malignant hyperthermia event.

Should a body-fluid cell count code be reported for the muscle specimen?

No. A body-fluid cell count describes a different laboratory service and does not represent contracture testing of skeletal muscle.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.

Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.

RVUs for 89049PPRRVU2026_Oct_nonQPP.csv, line 11,334 (RVU26D)
Geographic factors for MercedGPCI2026.csv, line 15 (RVU26D)
Open CMS sourceHow this rate is calculatedBuild a fee sheet