CPT code 58558: Hysteroscopy, biopsy or polyp removal2026 Medicare rate & RVUs

Report this service when a clinician uses hysteroscopy to sample the endometrium or remove an endometrial polyp, with or without curettage.

CMS RVU26DEffective Oct 1, 2026109 payment localities48.1K Medicare services in 2024

Medicare pays $1,269.90 for 58558 nationally in the office and $204.41 in a hospital or facility. Local office rates run $1,101.74–$1,764.28.

Medicare rate · 58558

Hysteroscopy, biopsy or polyp removal

Office or facility?

Work RVUs
4.07
Total RVUs
38.02
Global days
000

National rate · 2026

$1,269.90

Office setting, before claim adjustments.

See every locality for 58558 →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 58558 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 58558 covers

A gynecologist passes a hysteroscope through the cervix to inspect the uterine cavity and obtain endometrial tissue or remove a polyp under direct visualization. The procedure is commonly performed in an operating room or ambulatory surgery center for abnormal uterine bleeding, a suspected endometrial lesion, or a polyp identified on imaging or earlier evaluation. Tissue is typically sent for pathology. The code also covers curettage performed with the hysteroscopic service.

Choose this code when the operative hysteroscopy includes endometrial sampling or polypectomy, rather than diagnostic inspection alone or removal of a submucosal fibroid. Document the indication, hysteroscopic findings, tissue sampling or polyp removal, and any curettage performed. CMS assigns a 0-day global period, so same-day preoperative and postoperative care is included. When related endoscopies are performed together, endoscopy family pricing applies. Modifier 50 is inappropriate. Assistant-at-surgery services are not paid; co-surgeons are permitted, while team surgery is 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 58558 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

$1101.74 to $1764.28

$1101.74$1433.01$1764.28
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

58558 office and facility rates by payment locality
Payment localityOfficeFacility
Alabama$1,120.73$188.42
Alaska$1,399.22$264.47
Arizona$1,232.03$199.57
Arkansas$1,101.74$186.49
Atlanta, GA$1,292.90$210.37
Austin, TX$1,331.81$204.52
Bakersfield, CA$1,369.63$201.86
Baltimore area, MD$1,358.80$215.53
Beaumont, TX$1,168.30$198.71
Brazoria, TX$1,255.71$199.81

58558 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.

$1,101.74

$1,565.95

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

View every state and territory as a table
58558 office rate range by state
State / territoryOffice rate rangeLocalities
AK$1,399.221
AL$1,120.731
AR$1,101.741
AZ$1,232.031
CA$1,367.61–$1,764.2829
CO$1,337.301
CT$1,363.131
DC$1,477.521
DE$1,254.831
FL$1,233.16–$1,352.183
GA$1,154.65–$1,292.902
GU$1,411.841
HI$1,411.841
IA$1,161.061
ID$1,168.441
IL$1,186.88–$1,319.394
IN$1,176.521
KS$1,151.421
KY$1,144.661
LA$1,141.25–$1,207.692
MA$1,326.02–$1,488.152
MD$1,282.61–$1,477.523
ME$1,172.02–$1,251.042
MI$1,176.44–$1,247.552
MN$1,285.161
MO$1,116.11–$1,216.673
MS$1,109.351
MT$1,269.851
NC$1,186.861
ND$1,255.621
NE$1,169.481
NH$1,312.401
NJ$1,379.78–$1,457.692
NM$1,182.611
NV$1,267.001
NY$1,207.26–$1,508.995
OH$1,173.531
OK$1,145.781
OR$1,258.32–$1,389.122
PA$1,177.57–$1,322.502
PR$1,281.751
RI$1,306.511
SC$1,181.941
SD$1,253.931
TN$1,157.771
TX$1,168.30–$1,331.818
UT$1,200.851
VA$1,243.96–$1,477.522
VI$1,281.751
VT$1,246.921
WA$1,324.75–$1,524.252
WI$1,206.641
WV$1,134.871
WY$1,263.651

How the 58558 rate is calculated

Each of 58558’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 · 58558

RVUs × geographic indexes × conversion factor

Office or facility?

Work4.07

4.07 RVUs× 1.000 GPCI

Practice expense33.23

33.23 RVUs× 1.000 GPCI

Malpractice0.72

0.72 RVUs× 1.000 GPCI

Adjusted RVUs

38.0200

Conversion factor

$33.4009

Medicare rate

$1,269.90

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

Payment rules and modifiers for 58558

The CMS indicators that decide how 58558 is paid alongside other services.

CMS payment indicators · 58558

Hysteroscopy, biopsy or polyp removal

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is included.
Multiple procedures3Endoscopy family rules apply.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)1Not paid (statutory restriction).
Co-surgeons (62)2Permitted.
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

58558 without 51 · national office

$1,269.90

Hysteroscopy, biopsy or polyp removal

58558-51 · Second procedure: 50%

$634.95

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

58558 compared with similar codes

Compare codes · National

4 codes, side by side

Office or facility?

  • 58558

    Hysteroscopy, biopsy or polyp removal4.07 wRVU

    $1,269.90

  • 58555

    Hysteroscopy, diagnostic only2.58 wRVU

    $328.00−$941.90

  • 58561

    Myoma removal, hysteroscopic approach6.44 wRVU

    Not priced

  • 58100

    Endometrial biopsy, without cervical dilation1.18 wRVU

    $98.20−$1,171.70

How to choose

58555HysteroscopyDiagnostic only
Use 58555 for diagnostic hysteroscopy alone. Use 58558 when the hysteroscopy includes endometrial sampling or polyp removal.
58561Myoma removalHysteroscopic approach
Use 58561 for hysteroscopic removal of a submucosal fibroid. Code 58558 addresses endometrial sampling or polypectomy.
58100Endometrial biopsyWithout cervical dilation
Use 58100 for endometrial sampling without hysteroscopic visualization. Choose 58558 when sampling is performed through a hysteroscope.

58558 billing questions

When should I report this instead of diagnostic hysteroscopy?

Report 58558 when the hysteroscopy includes endometrial sampling or polyp removal. Diagnostic inspection alone is represented by 58555.

Can curettage be reported separately?

Curettage performed with this hysteroscopic service is included in the code. The descriptor covers the service with or without curettage.

Can I report a separate diagnostic hysteroscopy during the same session?

Do not report diagnostic hysteroscopy as a separate service when it is part of the operative hysteroscopy. CMS endoscopy family pricing applies when related endoscopies are performed together.

Should modifier 50 be used for bilateral findings?

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

What should the operative note support?

Document the clinical indication, hysteroscopic findings, whether endometrial tissue was sampled or a polyp was removed, and any curettage performed.

Are assistant or co-surgeon services payable?

CMS does not pay an assistant at surgery for this service. Co-surgeons are permitted; team surgery is not.

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 58558PPRRVU2026_Oct_nonQPP.csv, line 6,567 (RVU26D)

Open CMS sourceHow we calculate rates

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