Billing code 36583: Catheter replacementMedicare rate & RVUs in Georgia
Reports complete replacement of a tunneled central venous catheter through the same access, commonly when an existing long-term line requires exchange.
Medicare pays $1,155.84–$1,287.36 for 36583 in the office in Georgia, from Rest Of Georgia to Atlanta. Which amount applies depends on the service address.
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 36583 covers
This service replaces a tunneled central venous catheter through the existing venous access. It is used for long-term central access, such as a tunneled catheter used for dialysis, chemotherapy, or prolonged infusion, when the existing catheter needs complete exchange. Interventional radiologists, surgeons, and other qualified physicians typically perform the procedure in a hospital or ambulatory procedural setting. The service concerns a tunneled catheter, not a port-based device or a PICC.
Report the code when the physician completes an exchange through the same access, rather than simply repairing the existing catheter or establishing new access. Documentation should identify the catheter, the reason for exchange, the access used, and the replacement performed. The code has a 10-day global period, which includes related postoperative visits during that period. When multiple procedures occur in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% multiple procedure reduction. Modifier 50 is inappropriate. Assistant-at-surgery payment requires documented medical necessity; 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 36583 pays more and less in Georgia
| Payment locality | Office | Facility |
|---|---|---|
| Atlanta | $1,287.36 | $326.31 |
| Rest Of Georgia | $1,155.84 | $312.09 |
How the 36583 rate is calculated
Each of 36583’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 · 36583
RVUs × geographic indexes × conversion factor
Work4.91
4.91 RVUs× 1.000 GPCI
Practice expense31.54
31.54 RVUs× 1.000 GPCI
Malpractice1.31
1.31 RVUs× 1.000 GPCI
Adjusted RVUs
37.7600
Conversion factor
$33.4009
Medicare rate
$1,261.22
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for 36583
36583 has a 10-day global period: related visits in that window are included in the surgery payment.
CMS payment indicators · 36583
Catheter replacement
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 010 | Minor procedure: the day of the procedure plus 10 days after are included. |
| Multiple procedures | 2 | Standard reduction: highest-valued procedure at 100%, others at 50%. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| 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) | 0.10/0.80/0.10 | Share of the payment for pre-op, the procedure itself, and post-op care. |
Global surgery period · 36583
Catheter replacement
10-day global period ends
Oct 11, 2026
Covers Oct 1, 2026 through Oct 11, 2026 (11 days).
Visit on Oct 31, 2026
After the global period ends: visits and procedures are billed normally.
What modifiers do to the payment
Modifier 51 · payment effect
With and without the modifier
36583 without 51 · national office
$1,261.22
Catheter replacement
36583-51 · Second procedure: 50%
$630.61
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%).
36583 compared with similar codes
Compare codes · National
5 codes, side by side
How to choose
- 36581Catheter replacement
- Both concern tunneled central catheter replacement. Select based on the exact service and device distinction in the current code descriptors; do not choose by the general fact that the catheter is tunneled alone.
- 36582Device replacement
- This code is for replacement of a tunneled central venous access device with a subcutaneous port. Code 36583 concerns a tunneled catheter replacement rather than that port-based device.
- 36575Catheter repair
- Code 36575 represents repair of a tunneled catheter. Code 36583 is for complete replacement, not repair of the existing line.
- 36580Central catheter replacement
- Code 36580 is for complete replacement of a non-tunneled centrally inserted catheter. Use 36583 for the tunneled-catheter service.
36583 billing questions
How does this differ from 36581 or 36582?
Choose among the tunneled-catheter replacement codes based on the specific device and service described by the applicable code. Code 36582 is for replacement of a tunneled device with a subcutaneous port; confirm the distinction between 36581 and 36583 in the current code descriptor.
Can catheter removal be billed separately during the exchange?
This code represents a complete replacement through the same access, rather than a standalone removal followed by a separately coded insertion. The record should support that a complete exchange was performed.
When is repair more appropriate than replacement?
Use a repair code when the existing tunneled catheter is repaired rather than completely exchanged. Codes 36575 and 36576 distinguish repair services by device type.
Does modifier 50 apply if two catheters are replaced?
No. CMS identifies bilateral adjustment as inappropriate for this code. Document each service performed and apply the multiple procedure rule when procedures are performed in the same session.
What postoperative care is included?
Related postoperative visits during the 10-day global period are included in the procedure's payment.
When may an assistant-at-surgery be paid?
Assistant-at-surgery payment is available only when the record documents medical necessity. Co-surgeons and team surgery are not permitted.
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
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