CPT 36556
Global 000 ActiveInsert non-tunnel cv cath
CPT 36556 Billing & Documentation Guide
CPT code 36556 (Insert non-tunnel cv cath) is classified under Surgery (Respiratory/Cardiovascular) with a global period indicator of 000. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 1.71, a non-facility practice expense RVU of 5.18, and a malpractice RVU of 0.23, a total non-facility RVU of 7.12 and facility RVU of 2.32. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $245.42, though rates vary from $209.69 to $317.01 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 36556, ensure documentation supports medical necessity and the specific components required for the code's level of service. For E/M codes, document MDM (medical decision-making) elements: problems addressed, data reviewed, and risk. For procedural codes, document the indication, technique, and any complications. Always verify NCCI edits before bundling 36556 with related codes; this code has 10 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Active code (paid under MPFS)
Endoscopic or minor procedure with related preoperative and postoperative work performed on the same day
MUE Limit (Medically Unlikely Edits)
Submitting more than 2 units of 36556 for the same patient on the same date triggers automatic line denial unless an appropriate modifier and supporting documentation justify the higher quantity.
RVU Breakdown, CPT 36556
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 1.71 | 1.71 |
| Practice Expense RVU | 5.18 | 0.38 |
| Malpractice RVU | 0.23 | 0.23 |
| Total RVU | 7.12 | 2.32 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 36556
State-level averages across all MAC localities. Non-facility rates typically apply to office-based services; facility rates apply to hospital outpatient / inpatient.
| State | Non-Facility | Facility | Range (Non-Fac) | Localities |
|---|---|---|---|---|
| California | $268.06 | $78.34 | $251.83 - $317.01 | 29 |
| Florida | $245.66 | $84.81 | $234.07 - $256.65 | 3 |
| Georgia | $231.45 | $78.5 | $220.6 - $242.3 | 2 |
| Illinois | $239.18 | $84.26 | $227.09 - $249.03 | 4 |
| Michigan | $230.39 | $79.85 | $223.75 - $237.03 | 2 |
| North Carolina | $223.45 | $73.87 | $223.45 - $223.45 | 1 |
| New York | $263.28 | $84.43 | $226.88 - $280.75 | 5 |
| Ohio | $222.82 | $76.45 | $222.82 - $222.82 | 1 |
| Pennsylvania | $235.31 | $78.28 | $223.2 - $247.42 | 2 |
| Texas | $234.9 | $77.06 | $221.7 - $247.09 | 8 |
Source: CMS PFSRVU 2026 · Updated 2026-04-01. Full locality-level detail available for all 53 states, contact us for custom reports.
NCCI Bundling Edits, CPT 36556
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 36556 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 0596T | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
| 0597T | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
| 0708T | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
| 0709T | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
| 0903T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 0904T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 0905T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 0921T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11000 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 11001 | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
Frequently Asked Questions, CPT 36556
What does CPT code 36556 mean? +
CPT code 36556 represents: Insert non-tunnel cv cath. It's in the Surgery (Respiratory/Cardiovascular) category with a global period of 000.
What is the Medicare reimbursement for CPT 36556? +
The 2026 Medicare national average non-facility payment for CPT 36556 is $245.42. Rates range from $209.69 to $317.01 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 36556? +
Surgery codes commonly use modifier 22 (increased procedural services), 50 (bilateral), 51 (multiple procedures), 52 (reduced services), 58/78/79 (staged, unplanned return, unrelated within global), 62 (co-surgeons), 80/82 (assistant surgeon), and 59 or the X{EPSU} subset for distinct procedural service.
What bundling edits apply to CPT 36556? +
This code has 10 NCCI PTP bundling relationships. See the NCCI Bundling section below for full list.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team