Decompression fasciotomy of a single compartment (flexor OR extensor) in the forearm or wrist, with debridement of nonviable muscle and/or nerve tissue.

Verified May 8, 2026 · 6 sources ↓

Medicare: $1,263.89
Total RVUs: 37.84
Global, days: 90
Region: Wrist

Drawn from AAPCMdclarityFindacodeCMS

Documentation requirements

What must appear in the operative or office note to support the claim.

Source · Editorial brief grounded in 6 cited references ↓

Specify which compartment(s) were released — flexor OR extensor (single compartment justifies 25023 over 25025)
Explicitly document that debridement of nonviable muscle and/or nerve was performed, with description of the extent and tissue involved
Record the precipitating diagnosis and clinical findings supporting compartment syndrome (e.g., compartment pressures measured, Volkmann's ischemia signs)
Identify the approach and incision location used for fasciotomy
Note the condition of the vascular structures encountered; if brachial artery exploration was performed, 24495 may apply instead
Document laterality (left vs. right forearm) to support LT or RT modifier

Applicable modifiers

Modifiers commonly billed with this code.

Source · AMA CPT modifier descriptors · CMS NCCI Policy Manual

22 Increased complexity 24 Unrelated E/M during global 51 Multiple procedures 58 Staged or related 59 Distinct service 76 Repeat, same physician 77 Repeat, another physician 78 Unplanned return — related 79 Unrelated during global 80 Assistant surgeon LT Left side RT Right side

What this code covers

Source · Editorial summary grounded in 6 cited references ↓

CPT 25023 describes a forearm fasciotomy releasing one compartment — either flexor or extensor — that also includes debridement of nonviable muscle and/or nerve. The debridement component is what separates it from 25020, which covers the same single-compartment release without debridement. If both compartments (flexor AND extensor) require release with debridement, report 25025 instead. Code selection among the 2502x family is driven by two variables: how many compartments were opened, and whether debridement of nonviable tissue was performed.

The 90-day global period means the surgery, the day-before visit, and all routine post-op care through day 90 are bundled into the single reimbursement. Complications requiring a return to the OR for a related procedure during that window require modifier 78; an unrelated procedure requires modifier 79. Assistant surgeon services are reported with modifier 80 appended to 25023 on the assistant's claim.

This code is predominantly performed and billed by hand surgeons. Compartment syndrome of the forearm is commonly precipitated by crush injuries, supracondylar fractures, prolonged limb compression, or reperfusion after vascular injury — document the precipitating event explicitly, because payers use ICD-10 diagnosis codes to validate medical necessity for urgent surgical decompression.

RVU & reimbursement

Component RVUs and Medicare national rate. Actual payment varies by GPCI locality.

Source · CMS Physician Fee Schedule, RVU26A · January 2026

Work RVU	13.48
Practice expense RVU	21.62
Malpractice RVU	2.74
Total RVU	37.84
Medicare national rate	$1,263.89
Global period	90 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	$1,263.89
HOPD (APC 5113) Hospital outpatient department	$3,342.87
ASC (PI A2) Ambulatory surgical center (freestanding)	$1,644.87

Common denial reasons

The recurring reasons claims for CPT 25023 get rejected.

Source · Editorial brief grounded in CMS NCCI edits, AAOS coding appeals, and cited references ↓

Upcoding flag when 25025 is billed but documentation only supports single-compartment release — or vice versa
Missing or vague debridement documentation: 'necrotic tissue removed' without describing tissue type (muscle vs. nerve) causes payers to downcode to 25020
Lack of documented compartment pressure measurements or clinical criteria supporting acute compartment syndrome diagnosis
Laterality modifier absent (LT/RT) when payer policy requires it for paired-limb procedures
Global period overlap: post-op E/M claims submitted within the 90-day window without modifier 24 for unrelated conditions

Frequently asked questions

Source · Generated from the editorial pipeline, verified against 6 cited references ↓

01What is the difference between 25020 and 25023?

Both cover a single-compartment forearm fasciotomy (flexor OR extensor). 25023 adds debridement of nonviable muscle and/or nerve. If the operative note doesn't explicitly describe that debridement, payers will downcode to 25020.

02When should I use 25025 instead of 25023?

Use 25025 when both the flexor AND extensor compartments were released with debridement of nonviable tissue. If only one compartment was opened — even if debridement was extensive — 25023 is correct.

03Can 25023 and 25020 be billed together on the same claim?

No. These codes are mutually exclusive for the same compartment. If both compartments were released, report the appropriate dual-compartment code (25024 or 25025) rather than stacking 25020 and 25023.

04How do I bill a return to the OR for wound debridement during the 90-day global period?

If the return is for a procedure related to the original fasciotomy — such as further debridement of progressive necrosis — append modifier 78. If the procedure is unrelated to the compartment syndrome, use modifier 79.

05Does 25023 require laterality modifiers?

Not universally required by CMS, but many commercial payers require LT or RT. Append the appropriate modifier and document laterality in the operative note to prevent payer-level rejections.

06Can 24495 and 25023 be billed together if brachial artery exploration was also performed?

24495 covers forearm fasciotomy with brachial artery exploration — it is a distinct code. If brachial artery exploration was performed as part of the same forearm decompression encounter, review NCCI edits and payer policy before billing both codes together; 24495 may be the more appropriate single code depending on the clinical scenario.

Sources & references

Editorial content was developed using the following public sources. Last verified May 8, 2026.

Mira AI Scribe

Mira's AI scribe captures compartment involvement (flexor vs. extensor, unilateral vs. bilateral), explicit debridement findings including tissue type and extent of necrosis, measured or estimated compartment pressures, and laterality from the operative dictation. This prevents the most common 25023 downcode — claims dropped to 25020 because the note didn't clearly state that nonviable muscle or nerve was debrided, not just that the fascia was released.

See how Mira captures CPT 25023 documentation