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CPT 27600: Decompression Fasciotomy of Anterior and Lateral Leg Compartments

CPT code 27600 represents a surgical decompression fasciotomy of the anterior and lateral compartments of the leg. This procedure is used to relieve compartment pressure and reduce leg pain associated with acute or chronic compartment syndromes and related pathologies. Nationally, accurate coding of fasciotomy procedures informs surgical utilization patterns, facility planning, and payment determinations for lower-extremity surgical care.

Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical and billing overview, common payer coverage themes, and practical benchmarks for coding and place-of-service considerations. The publication outlines expected service settings and clinical context, summarizes common modifiers and billing considerations when present in claims, and highlights policy or coverage updates where applicable.

This resource is intended for coding professionals, surgical clinicians, revenue cycle staff, and policy analysts seeking a national perspective on the use and billing of fasciotomy for anterior and lateral leg compartments. Data not available in the input will be noted where applicable.

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Billing Code Overview

CPT code 27600 describes a decompression fasciotomy of the anterior and lateral compartments of the leg performed to relieve pain and reduce compartmental pressure. The procedure involves surgical release of the fascia in the affected compartments to decompress musculofascial compartments of the lower leg.

Service type: Surgical procedure — lower extremity fasciotomy
Typical site of service: Inpatient or outpatient surgical setting, commonly performed in an operating room or surgical suite

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CPT 27600: Decompression Fasciotomy of Anterior and Lateral Leg Compartments

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Billing Code Overview

Service type: Surgical procedure — lower extremity fasciotomy
Typical site of service: Inpatient or outpatient surgical setting, commonly performed in an operating room or surgical suite

Clinical & Coding Specifications

Clinical Context

A typical patient is an adult athlete or laborer presenting to the emergency department or orthopedic clinic with acute, severe anterior and lateral leg pain, tense swelling, pain with passive stretch of the toes, paresthesia, and diminished distal pulses suggestive of acute compartment syndrome. The clinical workflow begins with rapid history and focused physical exam, emergent measurement of compartment pressures if diagnosis is uncertain, diagnostic imaging only as needed to evaluate fracture or vascular injury, preoperative consent, and urgent transport to the operating room. In the OR, the surgeon performs a decompressive fasciotomy of the anterior and lateral compartments of the lower leg (CPT 27600) to relieve intracompartmental pressure. Postoperatively the patient is monitored in recovery or an inpatient unit for pain control, neurovascular exams, possible repeat compartment checks, wound management (delayed primary closure or skin grafting), and rehabilitation planning. Typical sites of service are the hospital inpatient setting or hospital outpatient surgical suite depending on acuity; emergency department evaluation precedes operative care when presentation is acute.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when the fasciotomy requires substantially greater effort, time, or complexity than usual (extensive debridement, significant hemorrhage).
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned (aborted fasciotomy due to unstable patient).
`53`	Discontinued procedure	Use when procedure is terminated before completion for reasons unrelated to patient improvement (e.g., intraoperative instability).
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure on the same day when needed (e.g., unrelated wound irrigation).
`62`	Two surgeons	Use when two surgeons work together as primary surgeons on different portions of the fasciotomy.
`66`	Surgical team	Use when services are provided by a surgical team (trauma team fasciotomy).
`73`	Discontinued outpatient procedure prior to anesthesia	Use when the outpatient procedure is stopped after patient preparation but before anesthesia is administered.
`78`	Unplanned return to OR by same physician following initial procedure	Use for a return to OR for repeat fasciotomy or extension of fasciotomy due to recurrent compartment syndrome.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use when an unrelated surgical procedure is performed during the global period.
`RT`	Right side	Use to indicate the procedure was performed on the right leg.
`LT`	Left side	Use to indicate the procedure was performed on the left leg.
`QK`	Medical direction of two, three, or four assistants	Use when the primary surgeon medically directs qualified assistants for the procedure.
`QX`	Qualified non-physician health care professional assistant	Use when a qualified non-physician assistant provides surgical assistance.
`AS`	Physician assistant, nurse practitioner, or clinical nurse specialist services in whole or part	Use when these clinicians perform qualifying portions of service per payer rules.

Taxonomy Code	Specialty	Notes
207L00000X	Orthopedic Surgery	Orthopedic surgeons commonly perform lower leg fasciotomies for traumatic compartment syndrome.
2080P0002X	General Surgery	Trauma and vascular general surgeons perform fasciotomy in polytrauma or vascular injury cases.
208D00000X	Emergency Medicine	Emergency medicine physicians may perform bedside fasciotomy in extremis or facilitate urgent surgical care.
207W00000X	Plastic Surgery	Plastic surgeons may be involved for complex soft tissue reconstruction and delayed closure or grafting.
2084P0800X	Vascular Surgery	Vascular surgeons manage fasciotomy when compartment syndrome is related to reperfusion injury after vascular repair.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S82.201A`	Unspecified fracture of shaft of tibia, right leg, initial encounter for closed fracture	Tibial shaft fractures commonly precipitate acute compartment syndrome requiring fasciotomy.
`S82.202A`	Unspecified fracture of shaft of tibia, left leg, initial encounter for closed fracture	As above for the left leg; fractures increase intracompartmental pressure.
`T79.A11A`	Traumatic compartment syndrome of right lower limb, initial encounter	Direct diagnostic code for acute compartment syndrome indicating indication for `CPT 27600`.
`T79.A12A`	Traumatic compartment syndrome of left lower limb, initial encounter	As above for left-sided compartment syndrome.
`I97.1`	Postprocedural compartment syndrome	Used when compartment syndrome develops after vascular or orthopedic procedures and fasciotomy is required.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`20680`	Removal of implant; deep (e.g., buried wire, pin, screw), with or without anesthesia	Performed before or after fasciotomy when hardware removal is required in infected or symptomatic fractures contributing to compartment syndrome.
`11042`	Debridement, subcutaneous tissue (includes epidermis and dermis, if performed); first 20 sq cm or less	Used for wound debridement of necrotic soft tissue at the time of fasciotomy or during subsequent wound care.
`15732`	Muscle, myocutaneous or fasciocutaneous flap; trunk, axillae, and/or groin; single flap	Used in delayed reconstruction when primary closure is not possible and soft tissue coverage is required after fasciotomy.
`15271`	Application of skin substitute graft to trunk, arms, legs; first 100 sq cm or less, or initial 100 sq cm	Applied for wound coverage if skin grafting is needed after fasciotomy and wound bed preparation.
`93740`	Venous thrombectomy, open; with or without fasciotomy (note: for context)	Performed when compartment syndrome is related to venous outflow obstruction and thrombectomy is required; may be coordinated with fasciotomy.
`99024`	Postoperative follow-up visit, more than routine, during global period	Billed for significant postoperative evaluation related to complications or additional care after the fasciotomy.

CPT 27601: Posterior Compartment Fasciotomy of the Leg

CPT-27602-LEG-FASCIOTOMY-COMPARTMENT-DECOMPRESSION

CPT 27602: Leg Fasciotomy for Compartment Decompression

CPT-27603-INCISION-AND-DRAINAGE-ANKLE-LEG-ABSCESS-HEMATOMA

CPT 27603: Incision and Drainage, Ankle or Leg

CPT-27604-DRAINAGE-DEEP-LEG-ANKLE-BURSA-INFECTION

CPT 27604: Drainage of Deep Leg or Ankle Bursa Infection

CPT-27605-PERCUTANEOUS-ACHILLES-TENDON-INCISION

CPT 27605: Percutaneous Incision of Achilles Tendon

CPT-27606-ACHILLES-TENDON-PERCUTANEOUS-INCISION

CPT 27606: Percutaneous Achilles Tendon Incision

CPT-27607-LEG-ANKLE-BONE-ABSCESS-EXCISION-OSTEOMYELITIS

CPT 27607: Excision of Leg or Ankle Bone Abscess for Osteomyelitis

CPT-27610-ANKLE-ARTHROTOMY-EXPLORATION-DRAINAGE-FOREIGN-BODY-REMOVAL

CPT 27610: Ankle Arthrotomy for Exploration, Drainage, or Foreign Body Removal

CPT-27612-ANKLE-POSTERIOR-CAPSULOTOMY-EQUINUS-CORRECTION

CPT 27612: Posterior Capsulotomy of Ankle for Equinus Deformity

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
`22`	Increased procedural services	Use when the fasciotomy requires substantially greater effort, time, or complexity than usual (extensive debridement, significant hemorrhage).
`52`	Reduced services	Use when the procedure is partially reduced or not completed as planned (aborted fasciotomy due to unstable patient).
`53`	Discontinued procedure	Use when procedure is terminated before completion for reasons unrelated to patient improvement (e.g., intraoperative instability).
`59`	Distinct procedural service	Use to indicate a separate and distinct procedure on the same day when needed (e.g., unrelated wound irrigation).
`62`	Two surgeons	Use when two surgeons work together as primary surgeons on different portions of the fasciotomy.
`66`	Surgical team	Use when services are provided by a surgical team (trauma team fasciotomy).
`73`	Discontinued outpatient procedure prior to anesthesia	Use when the outpatient procedure is stopped after patient preparation but before anesthesia is administered.
`78`	Unplanned return to OR by same physician following initial procedure	Use for a return to OR for repeat fasciotomy or extension of fasciotomy due to recurrent compartment syndrome.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use when an unrelated surgical procedure is performed during the global period.
`RT`	Right side	Use to indicate the procedure was performed on the right leg.
`LT`	Left side	Use to indicate the procedure was performed on the left leg.
`QK`	Medical direction of two, three, or four assistants	Use when the primary surgeon medically directs qualified assistants for the procedure.
`QX`	Qualified non-physician health care professional assistant	Use when a qualified non-physician assistant provides surgical assistance.
`AS`	Physician assistant, nurse practitioner, or clinical nurse specialist services in whole or part	Use when these clinicians perform qualifying portions of service per payer rules.

Taxonomy Code	Specialty	Notes
207L00000X	Orthopedic Surgery	Orthopedic surgeons commonly perform lower leg fasciotomies for traumatic compartment syndrome.
2080P0002X	General Surgery	Trauma and vascular general surgeons perform fasciotomy in polytrauma or vascular injury cases.
208D00000X	Emergency Medicine	Emergency medicine physicians may perform bedside fasciotomy in extremis or facilitate urgent surgical care.
207W00000X	Plastic Surgery	Plastic surgeons may be involved for complex soft tissue reconstruction and delayed closure or grafting.
2084P0800X	Vascular Surgery	Vascular surgeons manage fasciotomy when compartment syndrome is related to reperfusion injury after vascular repair.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S82.201A`	Unspecified fracture of shaft of tibia, right leg, initial encounter for closed fracture	Tibial shaft fractures commonly precipitate acute compartment syndrome requiring fasciotomy.
`S82.202A`	Unspecified fracture of shaft of tibia, left leg, initial encounter for closed fracture	As above for the left leg; fractures increase intracompartmental pressure.
`T79.A11A`	Traumatic compartment syndrome of right lower limb, initial encounter	Direct diagnostic code for acute compartment syndrome indicating indication for `CPT 27600`.
`T79.A12A`	Traumatic compartment syndrome of left lower limb, initial encounter	As above for left-sided compartment syndrome.
`I97.1`	Postprocedural compartment syndrome	Used when compartment syndrome develops after vascular or orthopedic procedures and fasciotomy is required.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`20680`	Removal of implant; deep (e.g., buried wire, pin, screw), with or without anesthesia	Performed before or after fasciotomy when hardware removal is required in infected or symptomatic fractures contributing to compartment syndrome.
`11042`	Debridement, subcutaneous tissue (includes epidermis and dermis, if performed); first 20 sq cm or less	Used for wound debridement of necrotic soft tissue at the time of fasciotomy or during subsequent wound care.
`15732`	Muscle, myocutaneous or fasciocutaneous flap; trunk, axillae, and/or groin; single flap	Used in delayed reconstruction when primary closure is not possible and soft tissue coverage is required after fasciotomy.
`15271`	Application of skin substitute graft to trunk, arms, legs; first 100 sq cm or less, or initial 100 sq cm	Applied for wound coverage if skin grafting is needed after fasciotomy and wound bed preparation.
`93740`	Venous thrombectomy, open; with or without fasciotomy (note: for context)	Performed when compartment syndrome is related to venous outflow obstruction and thrombectomy is required; may be coordinated with fasciotomy.
`99024`	Postoperative follow-up visit, more than routine, during global period	Billed for significant postoperative evaluation related to complications or additional care after the fasciotomy.

CPT 27601: Posterior Compartment Fasciotomy of the Leg

CPT-27602-LEG-FASCIOTOMY-COMPARTMENT-DECOMPRESSION

CPT 27602: Leg Fasciotomy for Compartment Decompression

CPT-27603-INCISION-AND-DRAINAGE-ANKLE-LEG-ABSCESS-HEMATOMA

CPT 27603: Incision and Drainage, Ankle or Leg

CPT-27604-DRAINAGE-DEEP-LEG-ANKLE-BURSA-INFECTION

CPT 27604: Drainage of Deep Leg or Ankle Bursa Infection

CPT-27605-PERCUTANEOUS-ACHILLES-TENDON-INCISION

CPT 27605: Percutaneous Incision of Achilles Tendon

CPT-27606-ACHILLES-TENDON-PERCUTANEOUS-INCISION

CPT 27606: Percutaneous Achilles Tendon Incision

CPT-27607-LEG-ANKLE-BONE-ABSCESS-EXCISION-OSTEOMYELITIS

CPT 27607: Excision of Leg or Ankle Bone Abscess for Osteomyelitis

CPT-27610-ANKLE-ARTHROTOMY-EXPLORATION-DRAINAGE-FOREIGN-BODY-REMOVAL

CPT 27610: Ankle Arthrotomy for Exploration, Drainage, or Foreign Body Removal

CPT-27612-ANKLE-POSTERIOR-CAPSULOTOMY-EQUINUS-CORRECTION

CPT 27612: Posterior Capsulotomy of Ankle for Equinus Deformity

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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Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

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CPT 27600: Decompression Fasciotomy of Anterior and Lateral Leg Compartments

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Billing Code Overview

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CPT 27600: Decompression Fasciotomy of Anterior and Lateral Leg Compartments

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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 27600: Decompression Fasciotomy of Anterior and Lateral Leg Compartments

Sign up for cpt 27600 policy alerts

Billing Code Overview

CPT 27600: Decompression Fasciotomy of Anterior and Lateral Leg Compartments

Sign up for cpt 27600 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What does CPT 27600 represent and where is it typically performed?

Which modifiers are commonly used with CPT 27600 and when should they be applied?

What other CPT codes are commonly billed in association with a fasciotomy (27600)?

Which ICD-10 diagnosis codes are relevant when coding for CPT 27600?

Which provider specialties and taxonomy codes are associated with performing or managing CPT 27600?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What does CPT 27600 represent and where is it typically performed?

Which modifiers are commonly used with CPT 27600 and when should they be applied?

What other CPT codes are commonly billed in association with a fasciotomy (27600)?

Which ICD-10 diagnosis codes are relevant when coding for CPT 27600?

Which provider specialties and taxonomy codes are associated with performing or managing CPT 27600?

References