CPT 88311
Global XXX ActiveDecalcify tissue
CPT 88311 Billing & Documentation Guide
CPT code 88311 (Decalcify tissue) is classified under Pathology/Lab with a global period indicator of XXX. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 0.23, a non-facility practice expense RVU of 0.34, and a malpractice RVU of 0.02, a total non-facility RVU of 0.59 and facility RVU of 0.59. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $20.26, though rates vary from $17.78 to $25.26 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 88311, 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 88311 with related codes; this code has 3 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Active code (paid under MPFS)
No global period (E/M and other non-procedural services)
MUE Limit (Medically Unlikely Edits)
Submitting more than 4 units of 88311 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 88311
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 0.23 | 0.23 |
| Practice Expense RVU | 0.34 | 0.34 |
| Malpractice RVU | 0.02 | 0.02 |
| Total RVU | 0.59 | 0.59 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 88311
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 | $21.76 | $21.76 | $20.62 - $25.26 | 29 |
| Florida | $20.37 | $20.37 | $19.54 - $21.19 | 3 |
| Georgia | $19.33 | $19.33 | $18.61 - $20.05 | 2 |
| Illinois | $19.96 | $19.96 | $19.09 - $20.68 | 4 |
| Michigan | $19.29 | $19.29 | $18.8 - $19.77 | 2 |
| North Carolina | $18.7 | $18.7 | $18.7 - $18.7 | 1 |
| New York | $21.62 | $21.62 | $18.94 - $22.92 | 5 |
| Ohio | $18.72 | $18.72 | $18.72 - $18.72 | 1 |
| Pennsylvania | $19.59 | $19.59 | $18.74 - $20.44 | 2 |
| Texas | $19.53 | $19.53 | $18.64 - $20.3 | 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 88311
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 88311 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 96523 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 17311 | Column 2 (secondary), bundled into primary | Yes | Misuse of Column Two code with Column One code |
| 17313 | Column 2 (secondary), bundled into primary | Yes | Misuse of Column Two code with Column One code |
Frequently Asked Questions, CPT 88311
What does CPT code 88311 mean? +
CPT code 88311 represents: Decalcify tissue. It's in the Pathology/Lab category with a global period of XXX.
What is the Medicare reimbursement for CPT 88311? +
The 2026 Medicare national average non-facility payment for CPT 88311 is $20.26. Rates range from $17.78 to $25.26 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 88311? +
Pathology and laboratory use modifier 90 (reference/outside lab), 91 (repeat clinical diagnostic test same day), 92 (alternative laboratory platform), and QW (CLIA waived test). Surgical pathology splits between 26 and TC where applicable.
What bundling edits apply to CPT 88311? +
This code has 3 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 May 31, 2026.
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