CPT code 64488: TAP block, bilateral, injection technique2026 Medicare rate & RVUs in Wisconsin

Bilateral transversus abdominis plane block by injection provides abdominal wall regional analgesia, commonly for perioperative pain control using an injection technique.

CMS RVU26DEffective Oct 1, 2026One payment locality64.3K Medicare services in 2024

In Wisconsin, Medicare pays $140.75 for 64488 in the office and $53.71 when it’s performed in a hospital or facility.

$140.75Office (non-facility)
$53.71Hospital or facility
−4.7%vs the national office rate ($147.63)

Check a contract rate as a % of Medicare · 64488 nationwide

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

We’ll open 64488 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Wisconsin
  2. What 64488 covers
  3. Compared with other areas
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Related codes
  8. Rate history
  9. Where it applies
  10. Billing questions
  11. Sources

What 64488 covers

A transversus abdominis plane (TAP) block places local anesthetic in the tissue plane between abdominal wall muscles to reduce sensation from the anterior abdominal wall. An anesthesiologist, pain physician, or other qualified clinician may perform the block, often with ultrasound guidance, for perioperative pain control around abdominal surgery. This code identifies a bilateral block delivered by injection rather than through a catheter for continuous infusion.

Report the code when the documented service is a bilateral TAP injection; the record should support the block’s purpose, bilateral performance, and injection technique. Medicare prices the code as bilateral, so modifier 50 does not increase payment. The procedure has a 0-day global period, which includes same-day preoperative and postoperative care. When performed in the same session as other procedures, the highest-valued procedure is paid in full and the others at 50%. Medicare does not pay an assistant at surgery for this service; co-surgeons and team surgery are not permitted.

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.

How Wisconsin compares for 64488

Across 109 of 109 payment localities, the office rate for 64488 runs from $131.89 in Arkansas to $194.06 in San Benito County, CA. Wisconsin pays $140.75. The RVUs are the same everywhere; the geographic indexes change the dollars.

64488 in Wisconsin vs other payment areas
  1. Wisconsin · this page$140.75
  2. Los Angeles, CA · California$166.07+$25.32
  3. Washington, DC area · District of Columbia$167.98+$27.23
  4. Miami, FL · Florida$157.77+$17.02
  5. Chicago, IL · Illinois$153.63+$12.88
  6. Manhattan, NY · New York$168.76+$28.01
  7. Alaska · Alaska$175.07+$34.32

Other areas in Wisconsin first, then benchmark localities. Bars start at $0.

Every other payment area

64488 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$133.66$54.17
ArkansasArkansas$131.89$53.85
ArizonaArizona$144.02$55.99
Bakersfield, CACalifornia$156.33$56.76
Chico, CACalifornia$155.95$56.37
El Centro, CACalifornia$155.97$56.39
Fresno, CACalifornia$155.95$56.37
Hanford, CACalifornia$155.95$56.37

64488 rates by state

Office rate range in each state. Select a state to see its payment localities.

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.

$131.89

$175.07

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

View every state and territory as a table
64488 office rate range by state
State / territoryOffice rate rangeLocalities
AK$175.071
AL$133.661
AR$131.891
AZ$144.021
CA$155.95–$194.0629
CO$153.571
CT$156.921
DC$167.981
DE$146.281
FL$145.34–$157.773
GA$137.83–$150.142
GU$159.351
HI$159.351
IA$136.901
ID$137.691
IL$141.37–$153.694
IN$138.431
KS$136.251
KY$136.431
LA$136.21–$142.402
MA$152.74–$168.052
MD$148.94–$167.983
ME$138.29–$145.272
MI$139.63–$146.962
MN$147.651
MO$134.02–$142.943
MS$132.981
MT$147.621
NC$139.631
ND$145.251
NE$137.601
NH$151.141
NJ$158.85–$166.452
NM$140.311
NV$147.061
NY$141.55–$172.495
OH$139.151
OK$136.271
OR$146.05–$158.202
PA$139.39–$153.242
PR$148.651
RI$151.301
SC$139.591
SD$144.971
TN$136.871
TX$138.54–$152.948
UT$141.351
VA$144.79–$167.982
VI$148.651
VT$144.671
WA$152.46–$171.402
WI$140.751
WV$136.541
WY$146.591

See 64488 in every payment locality

How the 64488 rate is calculated

Each of 64488’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

How the rate is built · 64488

RVUs × geographic indexes × conversion factor

Office or facility?

Work1.37

1.37 RVUs× 1.000 GPCI

Practice expense2.93

2.93 RVUs× 1.000 GPCI

Malpractice0.12

0.12 RVUs× 1.000 GPCI

Adjusted RVUs

4.4200

Conversion factor

$33.4009

Medicare rate

$147.63

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

The exact Wisconsin inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

7,132

Code
64488
Physician work
1.37
Practice expense
2.93
Malpractice
0.12

GPCI2026.csv

111

Locality
Wisconsin
Physician work
1.000
Practice expense
0.958
Malpractice
0.308
Office calculation for 64488 in Wisconsin
ComponentRVULocality factorAdjusted
Physician work1.37× 1.0001.3700
Practice expense2.93× 0.9582.8069
Malpractice0.12× 0.3080.0370
Total RVUs4.2139
Conversion factor× 33.4009

Office rate, Wisconsin$140.75

Office: (1.37 × 1 + 2.93 × 0.958 + 0.12 × 0.308) × $33.4009 = $140.75

Facility: (1.37 × 1 + 0.21 × 0.958 + 0.12 × 0.308) × $33.4009 = $53.71

Open 64488 in the RVU calculator

Payment rules and modifiers for 64488

The CMS indicators that decide how 64488 is paid alongside other services.

CMS payment indicators · 64488

TAP block, bilateral, injection technique

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)2Already bilateral by definition: paid once at 100%.
Assistant at surgery (80/81/82/AS)1Not paid (statutory restriction).
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

64488 without 51 · national office

$147.63

TAP block, bilateral, injection technique

64488-51 · Second procedure: 50%

$73.82

When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).

When to use modifier 51

How 64488 has changed in Wisconsin

64488 · Office / nonfacility

$140.75

Effective 2026-10-01

The base rate is $24.42 higher than on 2025-10-01, moving from $116.33 to $140.75 (21.0%).

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

    $116.33changed to$140.75

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 1.40 changed to 1.37
    • Practice expense RVU 2.25 changed to 2.93
    • Malpractice RVU 0.13 changed to 0.12
    • Practice expense GPCI 0.957 changed to 0.958
    • Malpractice GPCI 0.331 changed to 0.308

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $130.83changed to$116.33

    • Conversion factor 33.2875 changed to 32.3465
    • Work RVU 1.60 changed to 1.40
    • Practice expense RVU 2.39 changed to 2.25

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $128.69changed to$130.83

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $133.72changed to$128.69

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 2.43 changed to 2.39
    • Malpractice RVU 0.12 changed to 0.13
    • Practice expense GPCI 0.950 changed to 0.957
    • Malpractice GPCI 0.314 changed to 0.331
  5. January 1, 2023

    RVU23A

    $136.14changed to$133.72

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 2.44 changed to 2.43
    • Practice expense GPCI 0.942 changed to 0.950
    • Malpractice GPCI 0.296 changed to 0.314

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $136.39changed to$136.14

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 2.41 changed to 2.44
    • Malpractice RVU 0.13 changed to 0.12

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $133.46changed to$136.39

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 2.17 changed to 2.41
    • Malpractice RVU 0.12 changed to 0.13
    • Practice expense GPCI 0.949 changed to 0.942
    • Malpractice GPCI 0.322 changed to 0.296

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $131.72changed to$133.46

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 2.10 changed to 2.17
    • Malpractice RVU 0.13 changed to 0.12
    • Practice expense GPCI 0.957 changed to 0.949
    • Malpractice GPCI 0.347 changed to 0.322

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $131.35changed to$131.72

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 2.09 changed to 2.10
    • Malpractice RVU 0.14 changed to 0.13

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $135.71changed to$131.35

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 2.21 changed to 2.09
    • Malpractice RVU 0.15 changed to 0.14
    • Practice expense GPCI 0.956 changed to 0.957
    • Malpractice GPCI 0.457 changed to 0.347

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $149.77changed to$135.71

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 2.61 changed to 2.21
    • Malpractice RVU 0.16 changed to 0.15
    • Practice expense GPCI 0.955 changed to 0.956
    • Malpractice GPCI 0.566 changed to 0.457

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $149.84changed to$149.77

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 2.62 changed to 2.61
    • Malpractice RVU 0.12 changed to 0.16

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $149.10changed to$149.84

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    No ratechanged to$149.10

    Held through RVU15B.

  15. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$140.75$53.71RVU26D
2026-07-01$140.75$53.71RVU26C
2026-04-01$140.75$53.71RVU26B
2026-01-01$140.75$53.71RVU26A
2025-10-01$116.33$55.03RVU25D
2025-07-01$116.33$55.03RVU25C
2025-04-01$116.33$55.03RVU25B
2025-01-01$116.33$55.03RVU25A
2024-10-01$130.83$64.25RVU24D
2024-07-01$130.83$64.25RVU24C
2024-04-01$130.83$64.25RVU24B
2024-03-09$130.83$64.25RVU24AR
2024-01-01$128.69$63.20RVU24A
2023-10-01$133.72$65.15RVU23D
2023-07-01$133.72$65.15RVU23C
2023-04-01$133.72$65.15RVU23B
2023-01-01$133.72$65.15RVU23A
2022-10-01$136.14$66.05RVU22D
2022-07-01$136.14$66.05RVU22C
2022-04-01$136.14$66.05RVU22B
2022-01-01$136.14$66.05RVU22A
2021-10-01$136.39$66.70RVU21D
2021-07-01$136.39$66.70RVU21C
2021-04-01$136.39$66.70RVU21B
2021-01-01$136.39$66.70RVU21A
2020-10-01$133.46$68.73RVU20D
2020-07-01$133.46$68.73RVU20C
2020-04-01$133.46$68.73RVU20B
2020-01-01$133.46$68.73RVU20A
2019-10-01$131.72$69.29RVU19D
2019-07-01$131.72$69.29RVU19C
2019-04-01$131.72$69.29RVU19B
2019-01-01$131.72$69.29RVU19A
2018-10-01$131.35$70.03RVU18D
2018-07-01$131.35$70.03RVU18C
2018-04-01$131.35$70.03RVU18B
2018-01-01$131.35$70.03RVU18AR1
2017-10-01$135.71$72.58RVU17D
2017-07-01$135.71$72.58RVU17C
2017-04-01$135.71$72.58RVU17B
2017-01-01$135.71$72.58RVU17A
2016-10-01$149.77$78.99RVU16D
2016-07-01$149.77$78.99RVU16C
2016-04-01$149.77$78.99RVU16B
2016-01-01$149.77$78.99RVU16A
2015-10-01$149.84$78.81RVU15D
2015-07-01$149.84$78.81RVU15C
2015-04-01$149.10$78.42RVU15B
2015-01-01$149.10$78.42RVU15A
2014-10-01Not in this releaseNot in this releaseRVU14D
2014-07-01Not in this releaseNot in this releaseRVU14C
2014-04-01Not in this releaseNot in this releaseRVU14B
2014-01-01Not in this releaseNot in this releaseRVU14A
2013-10-01Not in this releaseNot in this releaseRVU13D
2013-07-01Not in this releaseNot in this releaseRVU13C
2013-04-01Not in this releaseNot in this releaseRVU13B
2013-01-01Not in this releaseNot in this releaseRVU13AR

Price 64488 for an earlier date of service

Where the Wisconsin rate applies

Wisconsin is a Medicare payment area, not a city. Our Census mapping connects it to 807 cities and communities in Wisconsin. Some span more than one payment area; confirm with the service ZIP.

  • Abbotsford
  • Abrams
  • Adams
  • Adell
  • Albany
  • Algoma
  • Allens Grove
  • Allenton

Browse all communities in Wisconsin

64488 billing questions

When should this code be chosen over 64486?

Use 64488 for a bilateral TAP block by injection. Code 64486 describes the unilateral injection service.

Is this code for a catheter-based continuous infusion?

No. It represents bilateral injection(s); 64489 is the related bilateral code for continuous infusion by catheter.

Should modifier 50 be appended?

No. Medicare prices 64488 as bilateral, and modifier 50 does not increase payment.

What should the documentation identify?

Document the TAP block, that it was performed bilaterally, and that the technique was injection rather than continuous catheter infusion.

How is it paid when other procedures occur in the same session?

The highest-valued procedure is paid in full and the other procedures are paid at 50%. Same-day preoperative and postoperative care is included in this code’s 0-day global period.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Show the CMS file lines behind this rate
RVUs for 64488PPRRVU2026_Oct_nonQPP.csv, line 7,132 (RVU26D)
Geographic factors for WisconsinGPCI2026.csv, line 111 (RVU26D)

Open CMS sourceHow we calculate rates

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