Billing code 58770: SalpingostomyMedicare rate & RVUs in Illinois
Report salpingostomy when a surgeon creates a new opening in a fallopian tube, typically to address distal tubal blockage while preserving the tube.
CMS doesn’t publish an office rate for 58770 in Illinois.
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 9 sections
What 58770 covers
A gynecologic surgeon creates an opening in the fallopian tube while preserving the tube, usually as reconstructive surgery for distal tubal obstruction. The goal may be to restore tubal patency in a patient being treated for infertility. The operation is generally performed in an operating room, with the operative report identifying the tube and the site and nature of the obstruction.
Select 58770 for the opening-creation procedure actually performed, rather than for a tubal connection repair or work focused on the fimbriae. Document the side, findings, and steps used to create the opening; report bilateral work with modifier 50, for which CMS pays 150%. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and the others at 50%. The 90-day global period includes the day-before preoperative visit and 90 days of related postoperative care. An assistant at surgery may be paid; 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.
Where 58770 pays more and less in Illinois
The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.
| Payment locality | Office | Facility |
|---|---|---|
| Chicago | Unavailable | $873.98 |
| East St. Louis | Unavailable | $830.31 |
| Rest Of Illinois | Unavailable | $790.84 |
| Suburban Chicago | Unavailable | $834.07 |
How the 58770 rate is calculated
Each of 58770’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 · 58770
RVUs × geographic indexes × conversion factor
Swap in your local Medicare rate.
Work 14.40Practice expense 5.83Malpractice 2.53
All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.
Payment rules and modifiers for 58770
58770 has a 90-day global period: related visits in that window are included in the surgery payment.
CMS payment indicators · 58770
Salpingostomy
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 090 | Major surgery: the day before, the day of, and 90 days after are included. |
| Multiple procedures | 2 | Standard reduction: highest-valued procedure at 100%, others at 50%. |
| Bilateral (modifier 50) | 1 | Bilateral with modifier 50 pays 150% of the fee schedule amount. |
| Assistant at surgery (80/81/82/AS) | 2 | Paid. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 0 | Physician service: no professional/technical split. |
| Split (54/55/56) | 0.12/0.74/0.14 | Share of the payment for pre-op, the procedure itself, and post-op care. |
Global surgery period · 58770
Salpingostomy
90-day global period ends
Dec 30, 2026
Covers Sep 30, 2026 through Dec 30, 2026 (92 days, including the day before surgery).
Visit on Oct 31, 2026
Day 30 of the 90-day post-op period: related follow-up care is included in the surgical payment.
Pre-op dayGlobal period
What modifiers do to the payment
Modifier 50 · payment effect
With and without the modifier
58770 without 50 · national facility
$760.20
Salpingostomy
58770-50 · Bilateral: 150%
$1,140.30
Both sides on one line with modifier 50 are paid at 150% of the fee schedule amount (subject to multiple-procedure rules with other procedures).
58770 compared with similar codes
Compare codes
58770 vs 58750 vs 58760 vs 58700: national Medicare rates
Swap in your local Medicare rate.
How to choose
- 58750Tubal repair
- 58770 creates an opening in the tube; 58750 reconnects tubal segments by anastomosis.
- 58760Fimbrioplasty
- Use 58760 when the operative work is fimbrioplasty at the fimbrial end; 58770 describes creating a new tubal opening.
- 58700Salpingectomy
- 58700 removes all or part of a fallopian tube. 58770 preserves the tube and creates an opening.
58770 billing questions
When should I choose 58770 instead of 58750?
Use 58770 when the surgeon creates a new opening in the tube. Use 58750 for a tubal anastomosis, which reconnects tubal segments.
How is bilateral salpingostomy reported?
Report bilateral work with modifier 50. CMS pays the bilateral procedure at 150%.
Does 58770 have a global period?
Yes. Its 90-day global period includes the day-before preoperative visit and 90 days of related postoperative care.
Can an assistant or co-surgeon be reported?
An assistant at surgery may be paid. CMS does not permit co-surgeons or team surgery for this code.
What operative documentation supports 58770?
Document the affected side, the tubal findings, and the operative steps that created a new opening. The record should distinguish this work from reconnection or fimbrial reconstruction.
How does CMS apply multiple-procedure payment?
For procedures performed in the same session, CMS pays the highest-valued procedure in full and the others at 50%.
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
Fee sheets
Put 58770 and the rest of your codes on one sheet
Build a fee sheet from your own code list at your locality, put your payer contracts beside Medicare, and see what changed each quarter.
Build my fee sheetOr price your code list free →