Surgical exploration of a penetrating traumatic wound located in the abdomen, flank, or back to assess depth and damage to underlying structures.
Verified May 8, 2026 · 4 sources ↓
- Medicare
- $662.01
- Total RVUs
- 19.82
- Global, days
- 10
- Region
- General
Documentation requirements
What must appear in the operative or office note to support the claim.
Source · Editorial brief grounded in 4 cited references ↓
- Document the penetrating mechanism explicitly (e.g., stab wound, gunshot wound, impalement) — chronic or surgical wounds do not qualify.
- Identify the anatomic region by name: abdomen, flank, or back — vague location descriptions are an audit trigger.
- Record the extent of exploration including fascial integrity findings and whether deeper structures (peritoneum, retroperitoneum, organs) were visualized or violated.
- Note whether the wound required enlargement to complete the exploration and the dimensions of the wound tract.
- If no deeper injury was found, document that explicitly — negative exploration still requires a record of what was ruled out.
- If a separate definitive repair was performed (e.g., bowel, vascular), document it as a distinct procedure to support additional coding beyond 20102.
Applicable modifiers
Modifiers commonly billed with this code.
Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual
What this code covers
Source · Editorial summary grounded in 4 cited references ↓
CPT 20102 covers the operative exploration of a penetrating wound — stab, gunshot, or other penetrating trauma — to the abdomen, flank, or back. The surgeon enlarges and explores the wound tract to determine whether underlying fascia, organs, or vascular structures have been violated. This is a separate procedure code; if exploration leads directly into a more definitive repair (bowel, vascular, organ), that repair is coded additionally and 20102 becomes incidental.
The 10-day global period means any wound checks, minor debridements, or related E/M visits through day 10 are bundled. If an unrelated problem is addressed in that window, use modifier 24 on the E/M or modifier 79 on an unrelated procedure. The code carries a "separate procedure" designation — it is subordinate to any major abdominal or retroperitoneal procedure performed through the same wound on the same day.
Medical necessity hinges on the penetrating mechanism. A non-healing surgical wound or chronic ulcer does not qualify for 20102 — the wound must be acute and traumatic in origin. Payers auditing this code will look for explicit documentation of the penetrating mechanism, the anatomic region explored, findings on fascial integrity, and whether deeper structures were reached.
RVU & reimbursement
Component RVUs and Medicare national rate. Actual payment varies by GPCI locality.
Source · CMS Physician Fee Schedule, RVU26A · January 2026
| Work RVU | 3.88 |
| Practice expense RVU | 14.95 |
| Malpractice RVU | 0.99 |
| Total RVU | 19.82 |
| Medicare national rate | $662.01 |
| Global period | 10 days |
Payment by site of service
Medicare pays different rates by setting. HOPD typically pays substantially more than ASC for the same procedure.
Source · CMS OPPS Addendum B·ASC HCPCS payment rates·2026
| Setting | Medicare rate (national) |
|---|---|
Office (PFS non-facility) Procedure performed in physician's office | $662.01 |
HOPD (APC 5054) Hospital outpatient department | $2,107.97 |
ASC (PI G2) Ambulatory surgical center (freestanding) | $1,128.57 |
Common denial reasons
The recurring reasons claims for CPT 20102 get rejected.
Source · Editorial brief grounded in CMS NCCI edits, AAOS coding appeals, and cited references ↓
- Wound documented as chronic, non-healing, or post-surgical — 20102 requires an acute penetrating traumatic mechanism.
- "Separate procedure" bundling when a major abdominal surgery is performed through the same wound on the same day without adequate supporting documentation for distinct billing.
- Missing or vague anatomic location — claims lacking explicit abdomen, flank, or back designation are routinely flagged.
- Lack of documentation showing fascial exploration was performed, not just wound irrigation or superficial debridement.
- Global period overlap — related E/M or minor wound care billed within the 10-day global without modifier 24 or 78 as appropriate.
Frequently asked questions
Source · Generated from the editorial pipeline, verified against 4 cited references ↓
01Can 20102 be billed when the exploration leads to an open abdominal repair?
02Does a non-healing post-surgical wound qualify for 20102?
03What modifier applies if 20102 is performed during the global period of a prior abdominal surgery and is related to that surgery?
04Is modifier 51 needed when 20102 is billed alongside another procedure on the same date?
05What is the global period for 20102 and what does it bundle?
06Can 20102 be billed bilaterally with modifier 50?
Sources & references
Editorial content was developed using the following public sources. Last verified May 8, 2026.
Mira AI Scribe
Mira's AI scribe captures the penetrating mechanism (stab, GSW, impalement), anatomic region (abdomen, flank, or back), wound dimensions, whether the tract was enlarged for exploration, fascial integrity findings, and the status of deeper structures. That detail directly prevents the most common denial: a payer reclassifying the wound as chronic or the exploration as superficial debridement.
See how Mira captures CPT 20102 documentation