Billing code 51610: Bladder injectionMedicare rate & RVUs

Reports injection of contrast into the bladder to support x-ray imaging, separate from the radiographic acquisition and interpretation.

CMS RVU26DEffective Oct 1, 2026109 payment localities3.6K Medicare services in 2024

Medicare pays $128.26 for 51610 nationally in the office and $57.78 in a hospital or facility. Local office rates run $113.60–$170.01.

Medicare rate · 51610

Bladder injection

Swap in your local Medicare rate.

Work RVUs
1.02
Total RVUs
3.84
Global days
000

National rate · 2026

$128.26

Office setting, before claim adjustments.

See every locality for 51610 → · Billed by an NP, PA or therapist? →

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

On this page 10 sections
  1. Medicare rate
  2. What 51610 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Related codes
  9. Billing questions
  10. Sources

What 51610 covers

A clinician introduces contrast into the bladder so it can be assessed on x-ray. The contrast is commonly delivered through a urinary catheter. This service may be part of a cystographic evaluation when the ordering clinician needs to assess the bladder, such as when investigating a suspected leak. Urologists and radiologists may perform the injection in a hospital, imaging department, or other procedure setting. The radiographic images and their interpretation are distinct from the injection service.

Report 51610 when the documented bladder contrast injection matches this service; the record should identify the clinical reason, the injection performed, and the associated imaging study. CMS assigns a 0-day global period, so same-day preoperative and postoperative care is included. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard multiple-procedure reduction. Modifier 50 is inappropriate. Assistant-at-surgery payment is restricted, and co-surgeon and team-surgery reporting 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.

Where 51610 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 payment localities

$113.60 to $170.01

$113.60$141.81$170.01
One dot per payment locality, office / nonfacility. Hover a dot to see the locality; select it to open that rate.

109 of 109 payment localities

51610 office and facility rates by payment locality
Payment localityOfficeFacility
Alabama$115.25$53.58
Alaska*$149.36$74.30
Arizona$124.89$56.60
Arkansas$113.60$53.06
Atlanta$130.61$59.01
Austin$133.10$58.54
Bakersfield$136.00$58.76
Baltimore/Surr. Cntys$136.34$60.72
Beaumont$119.86$55.73
Brazoria$126.84$57.00

51610 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.

$113.60

$152.83

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

View every state and territory as a table
51610 office rate range by state
State / territoryOffice rate rangeLocalities
AK$149.361
AL$115.251
AR$113.601
AZ$124.891
CA$135.64–$170.0129
CO$133.561
CT$136.731
DC$146.601
DE$126.941
FL$126.31–$138.093
GA$119.29–$130.612
GU$138.931
HI$138.931
IA$118.181
ID$118.931
IL$122.67–$134.144
IN$119.621
KS$117.611
KY$117.911
LA$117.72–$123.482
MA$132.77–$146.712
MD$129.35–$146.603
ME$119.53–$125.972
MI$120.93–$127.852
MN$128.051
MO$115.71–$123.943
MS$114.681
MT$128.251
NC$120.771
ND$125.881
NE$118.821
NH$131.461
NJ$138.31–$145.112
NM$121.581
NV$127.681
NY$122.56–$150.925
OH$120.451
OK$117.721
OR$126.71–$137.792
PA$120.64–$133.342
PR$129.191
RI$131.451
SC$120.801
SD$125.601
TN$118.201
TX$119.86–$133.108
UT$122.441
VA$125.55–$146.602
VI$129.191
VT$125.381
WA$132.52–$149.702
WI$121.701
WV$118.171
WY$127.221

How the 51610 rate is calculated

Each of 51610’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 · 51610

RVUs × geographic indexes × conversion factor

Swap in your local Medicare rate.

Work 1.02Practice expense 2.70Malpractice 0.12

3.8400 adjusted RVUs×$33.4009 conversion factor=$128.26

All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.

Payment rules and modifiers for 51610

The CMS indicators that decide how 51610 is paid alongside other services.

CMS payment indicators · 51610

Bladder injection

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)0The 150% bilateral adjustment doesn’t apply.
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

51610 without 51 · national office

$128.26

Bladder injection

51610-51 · Second procedure: 50%

$64.13

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

51610 compared with similar codes

Compare codes

51610 vs 51600 vs 51605 vs 74430: national Medicare rates

Swap in your local Medicare rate.

  • 51610
    Bladder injection · 1.02 wRVU
    $128.26
  • 51600
    Bladder injection · 0.86 wRVU
    $207.42+$79.16
  • 51605
    Bladder study prep · 0.62 wRVU
    —
  • 74430
    Bladder imaging · 0.31 wRVU
    $41.75−$86.51

How to choose

51600Bladder injection
51600 describes an injection for cystography or voiding urethrocystography. Compare the documented procedure with each code's service rather than relying only on the general purpose of bladder imaging.
51605Bladder study prep
51605 is identified as a bladder x-ray preparation service. Use 51610 for the injection service when that is what the record supports.
74430Bladder imaging
74430 represents the radiographic cystography study, while 51610 represents the bladder contrast injection. They describe different parts of the imaging encounter.

51610 billing questions

How does 51610 differ from 51600?

Both involve bladder-related contrast injection for x-ray evaluation. Choose the code that matches the documented injection service; do not select 51610 based only on the fact that a cystogram was performed.

Does 51610 include the x-ray study?

The code describes the injection service, not the radiographic image acquisition or interpretation. Report the imaging service separately when it is performed and separately reportable.

Can modifier 50 be reported?

No. CMS identifies bilateral adjustment as inappropriate for this code.

How does the multiple-procedure rule affect payment?

For procedures performed in the same session, CMS pays the highest-valued procedure in full and applies the standard multiple-procedure reduction to the others.

Can an assistant or co-surgeon be reported?

Assistant-at-surgery payment is restricted for 51610. CMS does not permit co-surgeon or team-surgery reporting.

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 51610PPRRVU2026_Oct_nonQPP.csv, line 6,044 (RVU26D)

Open CMS sourceHow we calculate rates

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