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CPT 27893: Posterior Compartment Fasciotomy with Debridement

CPT code 27893 represents a surgical fasciotomy of at least one posterior compartment with removal of dead or damaged tissue. Nationally, this code captures urgent or emergent limb-sparing procedures used to treat compartment syndrome and extensive soft-tissue injury. It is clinically significant because timely fasciotomy with debridement can prevent permanent neurovascular damage, amputation, and systemic complications.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical indications and typical sites of service, plus benchmarking context and policy-relevant considerations that affect coding and reimbursement nationally. The publication explains common billing scenarios, typical service-line placement, and relevant reporting practices.

The content outlines what clinicians and billing professionals need to know about documenting procedure intent, operative components, and expected care settings. It also summarizes areas where payers often focus reviews, such as indication, documentation of compartment syndrome or necrotic tissue, and operative details that support use of this code. Data not available in the input is noted where applicable.

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Billing Code Overview

CPT code 27893 describes a surgical procedure in which the provider performs a fasciotomy of at least one posterior compartment and debrides (removes) dead or damaged tissue. This procedure addresses elevated compartment pressures and necrotic tissue that can threaten limb viability.

Service type: Surgical fasciotomy with debridement
Typical site of service: Operating room or other acute surgical setting (inpatient or outpatient surgical center)

Data not available in the input.

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CPT 27893: Posterior Compartment Fasciotomy with Debridement

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Billing Code Overview

Service type: Surgical fasciotomy with debridement
Typical site of service: Operating room or other acute surgical setting (inpatient or outpatient surgical center)

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A typical patient is a 35–60-year-old adult presenting to the emergency department or an operating room for acute compartment syndrome of the lower leg after tibial shaft fracture or severe soft-tissue crush injury. The patient reports severe, progressive pain out of proportion to exam, tense swelling of the posterior calf, pain with passive stretch of the toes, sensory deficits in the sural or tibial nerve distributions, and decreasing distal pulses or increasing analgesic requirements. Rapid surgical evaluation leads to an urgent fasciotomy under general or regional anesthesia.

The procedure performed under CPT 27893 documents that the provider incises the deep fascial envelope of at least one posterior compartment of the lower leg and debrides nonviable muscle or soft tissue. The clinical workflow includes preoperative consent, anesthesia evaluation, limb preparation, compartment pressure measurement (if performed), surgical fasciotomy of the posterior compartment(s) with evacuation of hematoma and removal of devitalized tissue, possible irrigation, placement of wound management (delayed primary closure, negative-pressure wound therapy, or staged closures), and postoperative monitoring in the surgical or inpatient setting.

Typical site of service: hospital operating room or emergency department procedure area. Service type: an urgent or emergent surgical incision and debridement (fasciotomy) of the lower leg posterior compartment(s).

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier (unmodified)	When no special circumstances apply and standard global or professional billing is appropriate.
`22`	Increased procedural services	When intraoperative complexity, extensive debridement, or prolonged operative time significantly exceeds usual service for `27893`.
`23`	Unusual anesthesia required	When general or neuraxial anesthesia is provided for emergency circumstances where local/regional would typically be used but was unsafe.
`26`	Professional component	When separately billing only the surgeon’s professional component in a split-billing arrangement (rare for operative procedures).
`52`	Reduced services	When the procedure is partially completed due to intraoperative findings and a reduced service is documented.
`53`	Discontinued procedure	When the fasciotomy was initiated but aborted due to patient instability or other documented reasons.
`54`	Surgical care only	When another provider bills global/postoperative care separately (e.g., primary surgeon bills operative; another bills postoperative).
`55`	Postoperative management only	When the billing provider manages only postoperative care and not the operative service.
`62`	Two surgeons	When two surgeons of different specialties work together as primary surgeons performing distinct portions of the procedure.
`66`	Surgical team approach	When a surgical team approach with multiple surgeons is required due to complexity.
`78`	Unplanned return to OR	When the patient returns to the operating room for a related procedure during the postoperative global period.
`80`	Assistant surgeon	When an assistant surgeon performs part of the operation and assistant fee is billable.
`81`	Minimum assistant surgeon	When a minimal assistant surgeon service is provided.
`LT`	Left side	To indicate the procedure was performed on the left lower extremity.
`RT`	Right side	To indicate the procedure was performed on the right lower extremity.

Taxonomy Code	Specialty	Notes
2080S0101X	Orthopaedic Surgery	Orthopaedic trauma surgeons commonly perform emergent fasciotomies for tibial fractures and crush injuries.
2088S0102X	General Surgery	Trauma/general surgeons perform fasciotomies in polytrauma or crush injury settings.
207L00000X	Vascular Surgery	Vascular surgeons may perform fasciotomy when ischemia–reperfusion injury or vascular repair leads to compartment syndrome.
207K00000X	Plastic Surgery	Plastic surgeons may perform serial debridement and wound management including fasciotomy and soft-tissue reconstruction.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S82.201A`	Displaced fracture of shaft of tibia, unspecified leg, initial encounter for closed fracture	Tibial shaft fractures commonly precipitate acute compartment syndrome requiring posterior compartment fasciotomy.
`S79.92XA`	Crushing injury of lower leg, initial encounter	Crush injuries cause soft-tissue swelling and increased compartment pressures leading to fasciotomy and debridement.
`T79.A11A`	Traumatic compartment syndrome of lower extremity, initial encounter	Direct diagnosis indicating the need for surgical fasciotomy such as `CPT 27893`.
`I96`	Gangrene, not elsewhere classified	Severe ischemia with resultant muscle necrosis may require debridement during fasciotomy.
`I74.3`	Embolism and thrombosis of arteries of lower extremity	Acute ischemia from arterial occlusion can produce compartment syndrome after reperfusion necessitating fasciotomy and debridement.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`27600`	Fasciotomy, leg; incision and drainage of a deep abscess or hematoma (separate code for other compartments)	May be performed for anterior or lateral compartment fasciotomy when multiple compartments are released during the same operative session.
`11042`	Debridement, subcutaneous tissue (e.g., simple), first 20 sq cm or less	May be reported for superficial debridement of necrotic tissue adjacent to the fasciotomy wound when appropriate and not included in the fasciotomy code per payer rules.
`11043`	Debridement, muscle and/or fascia, first 20 sq cm or less	Used when debridement involves muscle and fascia and documentation supports separate reporting beyond the fasciotomy work.
`97605`	Negative pressure wound therapy (NPWT) using simple or complex dressings, initial	Often used postoperatively for wound management after fasciotomy when negative-pressure therapy is initiated.
`11044`	Debridement, muscle and/or fascia, each additional 20 sq cm (list separately in addition to code for primary area)	For larger-volume debridement of muscle/fascia performed at the time of fasciotomy and reported according to payer bundling rules.

CPT 27892: Lower Leg Fasciotomy with Debridement

CPT-27894-LOWER-LEG-FASCIOTOMY-DEBRIDEMENT-MULTIPLE-COMPARTMENTS

CPT 27894: Lower Leg Fasciotomy with Debridement

CPT-27899-UNLISTED-LOWER-EXTREMITY-PROCEDURE

CPT 27899: Unlisted Lower-Extremity Procedure

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier (unmodified)	When no special circumstances apply and standard global or professional billing is appropriate.
`22`	Increased procedural services	When intraoperative complexity, extensive debridement, or prolonged operative time significantly exceeds usual service for `27893`.
`23`	Unusual anesthesia required	When general or neuraxial anesthesia is provided for emergency circumstances where local/regional would typically be used but was unsafe.
`26`	Professional component	When separately billing only the surgeon’s professional component in a split-billing arrangement (rare for operative procedures).
`52`	Reduced services	When the procedure is partially completed due to intraoperative findings and a reduced service is documented.
`53`	Discontinued procedure	When the fasciotomy was initiated but aborted due to patient instability or other documented reasons.
`54`	Surgical care only	When another provider bills global/postoperative care separately (e.g., primary surgeon bills operative; another bills postoperative).
`55`	Postoperative management only	When the billing provider manages only postoperative care and not the operative service.
`62`	Two surgeons	When two surgeons of different specialties work together as primary surgeons performing distinct portions of the procedure.
`66`	Surgical team approach	When a surgical team approach with multiple surgeons is required due to complexity.
`78`	Unplanned return to OR	When the patient returns to the operating room for a related procedure during the postoperative global period.
`80`	Assistant surgeon	When an assistant surgeon performs part of the operation and assistant fee is billable.
`81`	Minimum assistant surgeon	When a minimal assistant surgeon service is provided.
`LT`	Left side	To indicate the procedure was performed on the left lower extremity.
`RT`	Right side	To indicate the procedure was performed on the right lower extremity.

Taxonomy Code	Specialty	Notes
2080S0101X	Orthopaedic Surgery	Orthopaedic trauma surgeons commonly perform emergent fasciotomies for tibial fractures and crush injuries.
2088S0102X	General Surgery	Trauma/general surgeons perform fasciotomies in polytrauma or crush injury settings.
207L00000X	Vascular Surgery	Vascular surgeons may perform fasciotomy when ischemia–reperfusion injury or vascular repair leads to compartment syndrome.
207K00000X	Plastic Surgery	Plastic surgeons may perform serial debridement and wound management including fasciotomy and soft-tissue reconstruction.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S82.201A`	Displaced fracture of shaft of tibia, unspecified leg, initial encounter for closed fracture	Tibial shaft fractures commonly precipitate acute compartment syndrome requiring posterior compartment fasciotomy.
`S79.92XA`	Crushing injury of lower leg, initial encounter	Crush injuries cause soft-tissue swelling and increased compartment pressures leading to fasciotomy and debridement.
`T79.A11A`	Traumatic compartment syndrome of lower extremity, initial encounter	Direct diagnosis indicating the need for surgical fasciotomy such as `CPT 27893`.
`I96`	Gangrene, not elsewhere classified	Severe ischemia with resultant muscle necrosis may require debridement during fasciotomy.
`I74.3`	Embolism and thrombosis of arteries of lower extremity	Acute ischemia from arterial occlusion can produce compartment syndrome after reperfusion necessitating fasciotomy and debridement.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`27600`	Fasciotomy, leg; incision and drainage of a deep abscess or hematoma (separate code for other compartments)	May be performed for anterior or lateral compartment fasciotomy when multiple compartments are released during the same operative session.
`11042`	Debridement, subcutaneous tissue (e.g., simple), first 20 sq cm or less	May be reported for superficial debridement of necrotic tissue adjacent to the fasciotomy wound when appropriate and not included in the fasciotomy code per payer rules.
`11043`	Debridement, muscle and/or fascia, first 20 sq cm or less	Used when debridement involves muscle and fascia and documentation supports separate reporting beyond the fasciotomy work.
`97605`	Negative pressure wound therapy (NPWT) using simple or complex dressings, initial	Often used postoperatively for wound management after fasciotomy when negative-pressure therapy is initiated.
`11044`	Debridement, muscle and/or fascia, each additional 20 sq cm (list separately in addition to code for primary area)	For larger-volume debridement of muscle/fascia performed at the time of fasciotomy and reported according to payer bundling rules.

CPT 27892: Lower Leg Fasciotomy with Debridement

CPT-27894-LOWER-LEG-FASCIOTOMY-DEBRIDEMENT-MULTIPLE-COMPARTMENTS

CPT 27894: Lower Leg Fasciotomy with Debridement

CPT-27899-UNLISTED-LOWER-EXTREMITY-PROCEDURE

CPT 27899: Unlisted Lower-Extremity Procedure

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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CPT 27893: Posterior Compartment Fasciotomy with Debridement

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Billing Code Overview

OpenPayer

CPT 27893: Posterior Compartment Fasciotomy with Debridement

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

CPT 27893: Posterior Compartment Fasciotomy with Debridement

Sign up for cpt 27893 policy alerts

Billing Code Overview

CPT 27893: Posterior Compartment Fasciotomy with Debridement

Sign up for cpt 27893 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What clinical scenario does CPT 27893 describe and where is it usually performed?

Which modifiers are commonly used with CPT 27893 and when would they apply?

Can other CPT codes be billed with 27893 for additional fasciotomy, debridement, or wound therapy?

What diagnoses support billing CPT 27893 and what documentation do payers typically review?

Which specialties commonly perform procedures described by CPT 27893?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What clinical scenario does CPT 27893 describe and where is it usually performed?

Which modifiers are commonly used with CPT 27893 and when would they apply?

Can other CPT codes be billed with 27893 for additional fasciotomy, debridement, or wound therapy?

What diagnoses support billing CPT 27893 and what documentation do payers typically review?

Which specialties commonly perform procedures described by CPT 27893?

References