CPT code 51700: Bladder irrigation, simple lavage or instillation2026 Medicare rate & RVUs

Report simple bladder irrigation when a clinician lavages the bladder or instills fluid, such as to clear clots through a urinary catheter.

CMS RVU26DEffective Oct 1, 2026109 payment localities173.3K Medicare services in 2024

Medicare pays $78.16 for 51700 nationally in the office and $26.05 in a hospital or facility. Local office rates run $69.11–$104.04.

Medicare rate · 51700

Bladder irrigation, simple lavage or instillation

Office or facility?

Work RVUs
0.59
Total RVUs
2.34
Global days
000

National rate · 2026

$78.16

Office setting, before claim adjustments.

See every locality for 51700 →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.

Your location

Medicare pays by the payment locality where the service is performed.

On this page 10 sections
  1. Medicare rate
  2. What 51700 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 51700 covers

This service involves flushing the bladder with fluid or instilling fluid through a urinary catheter. A urologist or another clinician may perform it in an office or facility to clear blood clots or debris, or to address a catheter that is not draining because of material in the bladder. The work is irrigation itself, rather than catheter placement alone.

Document the reason for irrigation, the method or catheter used, and the service performed, including the material flushed or instilled and the patient’s response when relevant. The code has a 0-day global period, so same-day preoperative and postoperative care is included. When it is performed in the same session as other procedures, the highest-valued procedure is paid in full and other procedures are subject to the standard multiple procedure reduction. Modifier 50 is inappropriate. Medicare does not pay an assistant at surgery for this service, and co-surgeon and team-surgery billing 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 51700 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

$69.11 to $104.04

$69.11$86.58$104.04
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

51700 office and facility rates by payment locality
Payment localityOfficeFacility
Alabama$70.13$24.54
Alaska$90.61$35.12
Arizona$76.08$25.59
Arkansas$69.11$24.35
Atlanta, GA$79.58$26.65
Austin, TX$81.19$26.06
Bakersfield, CA$83.01$25.90
Baltimore area, MD$83.12$27.21
Beaumont, TX$72.94$25.53
Brazoria, TX$77.30$25.66

51700 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.

$69.11

$93.42

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

View every state and territory as a table
51700 office rate range by state
State / territoryOffice rate rangeLocalities
AK$90.611
AL$70.131
AR$69.111
AZ$76.081
CA$82.80–$104.0429
CO$81.471
CT$83.361
DC$89.471
DE$77.351
FL$76.87–$84.033
GA$72.55–$79.582
GU$84.861
HI$84.861
IA$71.981
ID$72.441
IL$74.59–$81.624
IN$72.861
KS$71.611
KY$71.731
LA$71.61–$75.172
MA$80.97–$89.592
MD$78.84–$89.473
ME$72.79–$76.792
MI$73.58–$77.802
MN$78.141
MO$70.35–$75.473
MS$69.751
MT$78.151
NC$73.551
ND$76.771
NE$72.381
NH$80.171
NJ$84.34–$88.542
NM$73.971
NV$77.821
NY$74.66–$92.035
OH$73.291
OK$71.631
OR$77.24–$84.102
PA$73.43–$81.262
PR$78.741
RI$80.131
SC$73.541
SD$76.611
TN$71.971
TX$72.94–$81.198
UT$74.551
VA$76.52–$89.472
VI$78.741
VT$76.441
WA$80.83–$91.452
WI$74.181
WV$71.811
WY$77.551

How the 51700 rate is calculated

Each of 51700’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 · 51700

RVUs × geographic indexes × conversion factor

Office or facility?

Work0.59

0.59 RVUs× 1.000 GPCI

Practice expense1.68

1.68 RVUs× 1.000 GPCI

Malpractice0.07

0.07 RVUs× 1.000 GPCI

Adjusted RVUs

2.3400

Conversion factor

$33.4009

Medicare rate

$78.16

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

Payment rules and modifiers for 51700

The CMS indicators that decide how 51700 is paid alongside other services.

CMS payment indicators · 51700

Bladder irrigation, simple lavage or instillation

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

51700 without 51 · national office

$78.16

Bladder irrigation, simple lavage or instillation

51700-51 · Second procedure: 50%

$39.08

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

51700 compared with similar codes

Compare codes · National

5 codes, side by side

Office or facility?

  • 51700

    Bladder irrigation, simple lavage or instillation0.59 wRVU

    $78.16

  • 51701

    Bladder catheterization, in-and-out catheter0.49 wRVU

    $45.43−$32.73

  • 51702

    Bladder catheter, temporary indwelling placement0.49 wRVU

    $65.47−$12.69

  • 51703

    Bladder catheter, complicated insertion1.43 wRVU

    $154.31+$76.15

  • 51720

    Bladder instillation, antineoplastic agent0.85 wRVU

    $91.85+$13.69

How to choose

51701Bladder catheterizationIn-and-out catheter
51701 represents non-indwelling bladder catheter insertion. Choose 51700 when the documented service is bladder lavage or fluid instillation.
51702Bladder catheterTemporary indwelling placement
51702 represents insertion of a temporary indwelling catheter. It is not a substitute for documenting irrigation performed through a catheter.
51703Bladder catheterComplicated insertion
51703 is for complex bladder catheter insertion. Use 51700 for simple bladder irrigation, not for insertion complexity.
51720Bladder instillationAntineoplastic agent
51720 is used for therapeutic bladder instillation to treat a lesion. Code 51700 describes irrigation or simple lavage, not that treatment service.

51700 billing questions

How is irrigation different from bladder catheter insertion?

Irrigation describes flushing or instilling fluid in the bladder; catheter insertion codes describe placing a catheter. Choose based on the service documented, not simply on the presence of a catheter.

Can catheter insertion be reported with irrigation?

The irrigation service does not by itself describe catheter insertion. If both services were performed, document each distinctly and verify that reporting both is supported by applicable coding edits.

Is modifier 50 appropriate for irrigation of both sides?

No. The bladder is not a paired structure for this service, and CMS identifies bilateral adjustment as inappropriate.

What same-session payment rule applies?

Under the standard multiple procedure reduction, the highest-valued procedure is paid in full and other procedures performed in the same session are paid at 50%.

Are assistant, co-surgeon, or team-surgery modifiers payable?

Medicare does not pay an assistant at surgery for this service. Co-surgeons and team surgery are not permitted.

What documentation supports the service?

Record the clinical reason for irrigation, the catheter or method used, what was flushed or instilled, and the patient’s response when relevant.

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 51700PPRRVU2026_Oct_nonQPP.csv, line 6,045 (RVU26D)

Open CMS sourceHow we calculate rates

Did this answer your question about what 51700 pays?

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 51700 and the rest of your codes on one sheet

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

Join the waitlist