CPT 37237
Global ZZZ ActiveOpen/perq place stent ea add
CPT 37237 Billing & Documentation Guide
CPT code 37237 (Open/perq place stent ea add) is classified under Surgery (Respiratory/Cardiovascular) with a global period indicator of ZZZ. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 4.14, a non-facility practice expense RVU of 31.27, and a malpractice RVU of 1, a total non-facility RVU of 36.41 and facility RVU of 5.62. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $1259.71, though rates vary from $1052.66 to $1677.48 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 37237, 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 37237 with related codes; this code has 10 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Active code (paid under MPFS)
Add-on code (global concept does not apply)
MUE Limit (Medically Unlikely Edits)
Submitting more than 2 units of 37237 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 37237
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 4.14 | 4.14 |
| Practice Expense RVU | 31.27 | 0.48 |
| Malpractice RVU | 1 | 1 |
| Total RVU | 36.41 | 5.62 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 37237
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 | $1397.22 | $180.32 | $1303.25 - $1677.48 | 29 |
| Florida | $1251.23 | $219.39 | $1186.97 - $1310.02 | 3 |
| Georgia | $1174.86 | $193.75 | $1109.74 - $1239.97 | 2 |
| Illinois | $1211.79 | $218.09 | $1144.06 - $1271.08 | 4 |
| Michigan | $1166.03 | $200.35 | $1129.57 - $1202.48 | 2 |
| North Carolina | $1134.09 | $174.58 | $1134.09 - $1134.09 | 1 |
| New York | $1355.43 | $208.13 | $1153.98 - $1451 | 5 |
| Ohio | $1125.53 | $186.59 | $1125.53 - $1125.53 | 1 |
| Pennsylvania | $1198.27 | $190.94 | $1128.65 - $1267.88 | 2 |
| Texas | $1198.32 | $185.85 | $1119.76 - $1273.17 | 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 37237
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 37237 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 0075T | Column 1 (primary), can be billed with modifier | Yes | Mutually exclusive procedures |
| 01924 | Column 1 (primary), can be billed with modifier | No | Anesthesia service included in surgical procedure |
| 01925 | Column 1 (primary), can be billed with modifier | No | Anesthesia service included in surgical procedure |
| 01926 | Column 1 (primary), can be billed with modifier | No | Anesthesia service included in surgical procedure |
| 0213T | Column 1 (primary), can be billed with modifier | No | Misuse of Column Two code with Column One code |
| 0216T | Column 1 (primary), can be billed with modifier | No | Misuse of Column Two code with Column One code |
| 0228T | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 0230T | Column 1 (primary), can be billed with modifier | No | Standards of medical/surgical practice |
| 0254T | Column 1 (primary), can be billed with modifier | Yes | Mutually exclusive procedures |
| 0596T | Column 1 (primary), can be billed with modifier | Yes | Standards of medical/surgical practice |
Frequently Asked Questions, CPT 37237
What does CPT code 37237 mean? +
CPT code 37237 represents: Open/perq place stent ea add. It's in the Surgery (Respiratory/Cardiovascular) category with a global period of ZZZ.
What is the Medicare reimbursement for CPT 37237? +
The 2026 Medicare national average non-facility payment for CPT 37237 is $1259.71. Rates range from $1052.66 to $1677.48 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 37237? +
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 37237? +
This code has 10 NCCI PTP bundling relationships. See the NCCI Bundling section below for full list.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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