CPT code 93970: Venous duplex scan, complete bilateral extremity study2026 Medicare rate & RVUs in Washington, DC area

Complete bilateral extremity venous duplex evaluates both arms or both legs for suspected thrombosis or venous insufficiency using imaging, compression, and flow assessment.

CMS RVU26DEffective Oct 1, 2026One payment locality1.4M Medicare services in 2024

In Washington, DC area, Medicare pays $213.79 for 93970 in the office.

$213.79Office (non-facility)
Not available in this settingHospital or facility
+16.2%vs the national office rate ($184.04)

Check a contract rate as a % of Medicare · 93970 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 93970 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Washington, DC area
  2. What 93970 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 93970 covers

A vascular technologist or sonographer uses grayscale imaging and Doppler to assess veins in both arms or both legs, including responses to compression and flow maneuvers. The examination may investigate leg swelling or suspected deep vein thrombosis; reflux testing may help evaluate chronic venous insufficiency before vein treatment. The record should identify the venous segments examined and findings on each side. The study is commonly performed in vascular laboratories, radiology departments, hospitals, or vein clinics and interpreted by a radiologist, vascular surgeon, or other qualified physician.

Report one unit for a complete bilateral study of an extremity pair, supported by images and an interpretation addressing both sides. Use 93971 for a single extremity or a limited examination. Modifier 26 identifies the interpretation alone, and modifier TC identifies the equipment and staff portion; billing without either modifier represents the global service. The code is already priced for both sides, so modifier 50 does not increase payment. When multiple eligible cardiovascular diagnostic tests are billed together, CMS applies its multiple procedure reduction to the technical component.

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 Washington, DC area compares for 93970

Across 109 of 109 payment localities, the office rate for 93970 runs from $160.26 in Arkansas to $255.12 in San Benito County, CA. Washington, DC area pays $213.79. The RVUs are the same everywhere; the geographic indexes change the dollars.

93970 in Washington, DC area vs other payment areas
  1. Washington, DC area · this page$213.79
  2. Los Angeles, CA · California$212.93−$0.86
  3. Miami, FL · Florida$195.13−$18.66
  4. Chicago, IL · Illinois$188.88−$24.91
  5. Manhattan, NY · New York$212.90−$0.89
  6. Alaska · Alaska$204.34−$9.45
  7. Alabama · Alabama$162.94−$50.85

Other areas in District of Columbia first, then benchmark localities. Bars start at $0.

Every other payment area

93970 in every other Medicare payment locality
Payment localityOfficeFacility
ArkansasArkansas$160.26—
ArizonaArizona$178.70—
Bakersfield, CACalifornia$198.49—
Chico, CACalifornia$198.23—
El Centro, CACalifornia$198.24—
Fresno, CACalifornia$198.23—
Hanford, CACalifornia$198.23—
Madera, CACalifornia$198.23—

93970 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.

$160.26

$226.68

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

View every state and territory as a table
93970 office rate range by state
State / territoryOffice rate rangeLocalities
AK$204.341
AL$162.941
AR$160.261
AZ$178.701
CA$198.23–$255.1229
CO$193.791
CT$197.321
DC$213.791
DE$181.951
FL$178.58–$195.133
GA$167.52–$187.242
GU$204.461
HI$204.461
IA$168.771
ID$169.791
IL$171.96–$190.794
IN$170.941
KS$167.351
KY$166.211
LA$165.71–$175.112
MA$192.18–$215.352
MD$185.92–$213.793
ME$170.24–$181.502
MI$170.65–$180.562
MN$186.511
MO$162.11–$176.453
MS$161.251
MT$184.031
NC$172.351
ND$182.251
NE$169.981
NH$190.151
NJ$199.80–$211.012
NM$171.501
NV$183.701
NY$175.23–$217.995
OH$170.291
OK$166.431
OR$182.51–$201.212
PA$170.89–$191.522
PR$185.741
RI$189.371
SC$171.561
SD$182.041
TN$168.241
TX$169.58–$192.928
UT$174.231
VA$180.46–$213.792
VI$185.741
VT$180.971
WA$192.01–$220.562
WI$175.311
WV$164.591
WY$183.261

See 93970 in every payment locality

How the 93970 rate is calculated

Each of 93970’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 · 93970

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.68

0.68 RVUs× 1.000 GPCI

Practice expense4.74

4.74 RVUs× 1.000 GPCI

Malpractice0.09

0.09 RVUs× 1.000 GPCI

Adjusted RVUs

5.5100

Conversion factor

$33.4009

Medicare rate

$184.04

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

The exact Washington, DC area inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

12,326

Code
93970
Physician work
0.68
Practice expense
4.74
Malpractice
0.09

GPCI2026.csv

39

Locality
Washington, DC area
Physician work
1.054
Practice expense
1.178
Malpractice
1.113
Office calculation for 93970 in Washington, DC area
ComponentRVULocality factorAdjusted
Physician work0.68× 1.0540.7167
Practice expense4.74× 1.1785.5837
Malpractice0.09× 1.1130.1002
Total RVUs6.4006
Conversion factor× 33.4009

Office rate, Washington, DC area$213.79

Office: (0.68 × 1.054 + 4.74 × 1.178 + 0.09 × 1.113) × $33.4009 = $213.79

Open 93970 in the RVU calculator

Payment rules and modifiers for 93970

The CMS indicators that decide how 93970 is paid alongside other services.

CMS payment indicators · 93970

Venous duplex scan, complete bilateral extremity study

RuleCMS valueWhat it means
Global periodXXXThe global surgery concept doesn’t apply.
Multiple procedures6Diagnostic cardiovascular reduction applies to the technical component.
Bilateral (modifier 50)2Already bilateral by definition: paid once at 100%.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical1Diagnostic test with separate professional (26) and technical (TC) components.

What modifiers do to the payment

Modifier 26 · payment effect

With and without the modifier

93970 without 26 · national office

$184.04

Venous duplex scan, complete bilateral extremity study

93970-26 · Professional component

$32.06

Pays only the interpretation and report.

When to use modifier 26

How 93970 has changed in Washington, DC area

93970 · Office / nonfacility

$213.79

Effective 2026-10-01

The base rate is $3.69 higher than on 2025-10-01, moving from $210.10 to $213.79 (1.8%).

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

    $210.10changed to$213.79

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 0.70 changed to 0.68
    • Practice expense RVU 4.75 changed to 4.74
    • Malpractice RVU 0.08 changed to 0.09
    • Work GPCI 1.057 changed to 1.054
    • Practice expense GPCI 1.192 changed to 1.178
    • Malpractice GPCI 1.168 changed to 1.113

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $219.38changed to$210.10

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 4.82 changed to 4.75
    • Malpractice RVU 0.09 changed to 0.08

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $215.80changed to$219.38

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $228.75changed to$215.80

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 4.85 changed to 4.82
    • Malpractice RVU 0.10 changed to 0.09
    • Work GPCI 1.056 changed to 1.057
    • Practice expense GPCI 1.214 changed to 1.192
    • Malpractice GPCI 1.231 changed to 1.168
  5. January 1, 2023

    RVU23A

    $237.87changed to$228.75

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 4.87 changed to 4.85
    • Malpractice RVU 0.09 changed to 0.10
    • Work GPCI 1.054 changed to 1.056
    • Practice expense GPCI 1.236 changed to 1.214
    • Malpractice GPCI 1.294 changed to 1.231

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $243.25changed to$237.87

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 4.97 changed to 4.87
    • Malpractice RVU 0.07 changed to 0.09

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $238.62changed to$243.25

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 4.73 changed to 4.97
    • Malpractice RVU 0.08 changed to 0.07
    • Work GPCI 1.049 changed to 1.054
    • Practice expense GPCI 1.221 changed to 1.236
    • Malpractice GPCI 1.277 changed to 1.294

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $235.84changed to$238.62

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 4.74 changed to 4.73
    • Work GPCI 1.045 changed to 1.049
    • Practice expense GPCI 1.205 changed to 1.221
    • Malpractice GPCI 1.261 changed to 1.277

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $239.49changed to$235.84

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 4.83 changed to 4.74

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $237.56changed to$239.49

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 4.80 changed to 4.83
    • Work GPCI 1.048 changed to 1.045
    • Malpractice GPCI 1.271 changed to 1.261

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    No ratechanged to$237.56

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $237.96changed toNo rate

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $236.77changed to$237.96

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $223.12changed to$236.77

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 4.49 changed to 4.80
    • Work GPCI 1.050 changed to 1.051
    • Practice expense GPCI 1.202 changed to 1.205
    • Malpractice GPCI 1.205 changed to 1.280

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    No ratechanged to$223.12

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$213.79Not available in this settingRVU26D
2026-07-01$213.79Not available in this settingRVU26C
2026-04-01$213.79Not available in this settingRVU26B
2026-01-01$213.79Not available in this settingRVU26A
2025-10-01$210.10Not available in this settingRVU25D
2025-07-01$210.10Not available in this settingRVU25C
2025-04-01$210.10Not available in this settingRVU25B
2025-01-01$210.10Not available in this settingRVU25A
2024-10-01$219.38Not available in this settingRVU24D
2024-07-01$219.38Not available in this settingRVU24C
2024-04-01$219.38Not available in this settingRVU24B
2024-03-09$219.38Not available in this settingRVU24AR
2024-01-01$215.80Not available in this settingRVU24A
2023-10-01$228.75Not available in this settingRVU23D
2023-07-01$228.75Not available in this settingRVU23C
2023-04-01$228.75Not available in this settingRVU23B
2023-01-01$228.75Not available in this settingRVU23A
2022-10-01$237.87Not available in this settingRVU22D
2022-07-01$237.87Not available in this settingRVU22C
2022-04-01$237.87Not available in this settingRVU22B
2022-01-01$237.87Not available in this settingRVU22A
2021-10-01$243.25Not available in this settingRVU21D
2021-07-01$243.25Not available in this settingRVU21C
2021-04-01$243.25Not available in this settingRVU21B
2021-01-01$243.25Not available in this settingRVU21A
2020-10-01$238.62Not available in this settingRVU20D
2020-07-01$238.62Not available in this settingRVU20C
2020-04-01$238.62Not available in this settingRVU20B
2020-01-01$238.62Not available in this settingRVU20A
2019-10-01$235.84Not available in this settingRVU19D
2019-07-01$235.84Not available in this settingRVU19C
2019-04-01$235.84Not available in this settingRVU19B
2019-01-01$235.84Not available in this settingRVU19A
2018-10-01$239.49Not available in this settingRVU18D
2018-07-01$239.49Not available in this settingRVU18C
2018-04-01$239.49Not available in this settingRVU18B
2018-01-01$239.49Not available in this settingRVU18AR1
2017-10-01$237.56Not available in this settingRVU17D
2017-07-01$237.56Not available in this settingRVU17C
2017-04-01$237.56Not available in this settingRVU17B
2017-01-01$237.56Not available in this settingRVU17A
2016-10-01Additional calculation requiredNot available in this settingRVU16D
2016-07-01Additional calculation requiredNot available in this settingRVU16C
2016-04-01Additional calculation requiredNot available in this settingRVU16B
2016-01-01Additional calculation requiredNot available in this settingRVU16A
2015-10-01$237.96Not available in this settingRVU15D
2015-07-01$237.96Not available in this settingRVU15C
2015-04-01$236.77Not available in this settingRVU15B
2015-01-01$236.77Not available in this settingRVU15A
2014-10-01$223.12Not available in this settingRVU14D
2014-07-01$223.12Not available in this settingRVU14C
2014-04-01$223.12Not available in this settingRVU14B
2014-01-01$223.12Not available in this settingRVU14A
2013-10-01Additional calculation requiredNot available in this settingRVU13D
2013-07-01Additional calculation requiredNot available in this settingRVU13C
2013-04-01Additional calculation requiredNot available in this settingRVU13B
2013-01-01Additional calculation requiredNot available in this settingRVU13AR

Price 93970 for an earlier date of service

Where the Washington, DC area rate applies

Washington, DC area is a Medicare payment area, not a city. Our Census mapping connects it to 1 cities and communities in District of Columbia. Some span more than one payment area; confirm with the service ZIP.

  • Washington

Browse all communities in District of Columbia

93970 billing questions

When should 93971 be reported instead of 93970?

Use 93971 for a unilateral extremity venous study or a limited examination. Use 93970 when both arms or both legs receive a complete venous study.

Should modifier 50 be added when both legs are scanned?

No. The code is already priced as bilateral, so modifier 50 does not increase payment.

Does scanning both legs require two units?

No. One complete bilateral study of the legs is one unit of 93970, not one unit per leg.

How is the service split between a hospital and the reading physician?

The physician who interprets the study in a facility reports 93970 with modifier 26, while the facility bills for the technical service. An office providing both portions reports the global service without either component modifier.

Is an arterial duplex on the same day separately reportable?

A separately indicated and documented bilateral lower extremity arterial duplex may be reported with 93925. When eligible cardiovascular diagnostic tests are billed together, the CMS multiple procedure reduction applies to the technical component.

What documentation supports the complete bilateral study?

The record should include images, the venous segments examined on both sides, compression and flow findings, and a signed interpretation addressing each side. Include reflux findings when reflux is assessed.

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 93970PPRRVU2026_Oct_nonQPP.csv, line 12,326 (RVU26D)
Geographic factors for Washington, DC areaGPCI2026.csv, line 39 (RVU26D)

Open CMS sourceHow we calculate rates

Did this answer your question about what 93970 pays in Washington, DC area?

Tell us what you were actually trying to work out. We’ll answer you directly, or build the page that does.

Fee sheets · Coming soon

Put 93970 and the rest of your codes on one sheet

Your codes at your locality, with payer contracts beside Medicare.

Join the waitlist