Surgical incision of the fascia in the hip or thigh region, any technique, to relieve compartment pressure or facilitate access to underlying structures.

Documentation requirements

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

Source · Editorial brief grounded in 7 cited references ↓

• Specify the fasciotomy type by name — IT band release, modified Ober-Yount, compartment decompression — not just 'fasciotomy, hip'.
• Document both incision orientations (longitudinal and transverse) if modifier 22 is appended for the full modified Ober-Yount technique.
• Record the indication: compartment syndrome pressure measurements, IT band contracture severity, or other clinical rationale driving the procedure.
• If 27025 is billed alongside 27062 or 29999, the operative note must support each code as a separately performed, distinct component of the case.
• For modifier 22 claims, include a written addendum quantifying the additional work beyond the standard transverse-only incision; many payers require this before approving the upcharge.
• Note laterality (left vs. right) — required for claim submission and audit defense even though 27025 itself is not a bilateral code.

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 7 cited references ↓

RVU & reimbursement

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

Source · CMS Physician Fee Schedule, RVU26A · January 2026

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

Common denial reasons

The recurring reasons claims for CPT 27025 get rejected.

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

• Operative note says 'standard fasciotomy' without naming the technique — insufficient to support 27025 vs. an unlisted code or a lower-complexity alternative.
• Modifier 22 appended without a supporting addendum documenting the extra surgical work, leading to rejection of the additional reimbursement.
• 27025 billed with 27062 without documentation showing each procedure was distinctly performed — payer bundles the fasciotomy as integral to the bursectomy.
• Laterality omitted on the claim line, triggering automated front-end rejection.
• Post-op E/M visit billed without modifier 24 during the 90-day global, resulting in denial as included in the global surgical package.