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CPT 26040: Palmar Fascial Release for Dupuytren's Contracture

CPT code 26040 represents a surgical palmar fasciectomy or limited fascial incision to treat Dupuytren's contracture, a progressive condition that causes palmar tissue to contract and fingers to flex. Nationally, procedures for Dupuytren's contracture are clinically significant because they address functional impairment of the hand and can affect patients' ability to work and perform daily activities. The code applies to operative release of palmar fascial tissue to restore finger extension.

Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, typical sites of service, and common billing considerations tied to CPT code 26040. The publication summarizes available benchmarking points and payer policy themes relevant to coverage and reimbursement for hand fascial release procedures, highlights common billing modifiers used in practice, and outlines areas where national policy updates may affect claims processing.

This report is intended for billing managers, practice administrators, and policy analysts seeking clear, national-level context for coding and billing of surgical treatment for Dupuytren's contracture. Data not available in the input are called out where applicable.

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Billing Code Overview

CPT code 26040 describes a surgical procedure in which the provider incises the palmar fascia, the connective tissue beneath the skin of the palm, to treat Dupuytren's contracture. The procedure releases contracted cords in the palm to improve finger extension and hand function.

Service type: Surgical, soft-tissue procedure to release palmar fascial contracture
Typical site of service: Outpatient surgical suite or ambulatory surgery center; may also be performed in a hospital operating room depending on clinical context

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CPT 26040: Palmar Fascial Release for Dupuytren's Contracture

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Billing Code Overview

Service type: Surgical, soft-tissue procedure to release palmar fascial contracture
Typical site of service: Outpatient surgical suite or ambulatory surgery center; may also be performed in a hospital operating room depending on clinical context

Clinical & Coding Specifications

Clinical Context

A 62-year-old right-hand-dominant male presents to an outpatient hand surgery clinic with progressive flexion contracture of the ring and small fingers of the right hand due to Dupuytren's disease. He reports difficulty placing his hand flat on a surface and trouble with personal hygiene and dressing. Examination shows a palpable palmar cord and metacarpophalangeal joint contracture of 30 degrees in the ring finger and 20 degrees in the small finger, with intact neurovascular status and no active infection. Conservative measures (splinting, observation) were inadequate and the patient elects for surgical fasciectomy.

The clinical workflow includes preoperative consultation and informed consent, preoperative medical clearance as needed, documentation of side and procedure, perioperative marking, performance of the procedure in an outpatient ambulatory surgery center or hospital operating room under regional block or local anesthesia with sedation, incision and excision or release of palmar fascia (open fasciectomy/limited fasciectomy consistent with 26040), hemostasis, closure, dressing and postoperative instructions. Postoperative care includes wound checks, suture removal, hand therapy referral, and documentation of functional improvement or complications. Typical payors encountered for authorization and billing include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when billing only the surgeon's professional service separate from the facility when applicable.
`50`	Bilateral procedure	Use when `26040` is performed on both hands during the same operative session and payer requires bilateral modifier.
`59`	Distinct procedural service	Use when another distinct procedure is performed at a separate site or session unrelated to the primary fasciectomy.
`62`	Two surgeons	Use when two surgeons of different specialties work together as primary surgeons performing distinct portions of the procedure.
`51`	Multiple procedures	Use when `26040` is reported with additional CPT procedures performed during the same operative session.
`52`	Reduced services	Use when the service performed was partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure was started but aborted for patient safety reasons prior to completion.
`76`	Repeat procedure by same physician	Use when the same physician repeats the procedure on the same day.
`77`	Repeat procedure by another physician	Use when another physician repeats the procedure on the same day.
`79`	Unrelated procedure or service by same physician during postoperative period	Use when an unrelated procedure is performed during the global period of `26040`.
`RT`	Right side	Use to indicate the procedure was performed on the right hand when side-specific reporting is required.
`LT`	Left side	Use to indicate the procedure was performed on the left hand when side-specific reporting is required.
`AS`	Ambulatory surgical center	Use when billing for services provided in an ambulatory surgical center setting if payer requires.
`22`	Increased procedural services	Use when the work required to perform `26040` was substantially greater than typical.

Taxonomy Code	Specialty	Notes
207L00000X	Orthopedic Hand Surgery	Common specialty performing palmar fasciectomy; focused on hand and upper extremity.
207P00000X	Orthopedic Surgery	Orthopedic surgeons often perform hand procedures including fasciectomy.
207RH0000X	Plastic and Reconstructive Surgery	Plastic surgeons perform hand reconstruction and fasciectomy for Dupuytren's contracture.
2080P0004X	Surgery of the Hand (General Surgery with hand focus)	General surgeons with hand specialty or fellowship-trained hand surgeons may perform the procedure.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`M72.0`	Palmar fascial fibromatosis [Dupuytren]	Primary diagnosis indicating Dupuytren's contracture; direct indication for `26040`.
`M24.5`	Contracture of joint	Describes joint contracture which may result from Dupuytren's and be addressed during fasciectomy.
`M19.90`	Osteoarthritis, unspecified site	Coexisting degenerative joint disease that may affect hand function and surgical planning.
`M79.641`	Pain in right hand	Symptom code used when hand pain accompanies functional limitation from contracture.
`M79.642`	Pain in left hand	Symptom code used for left-hand presentations.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`26123`	Tendon sheath incision (eg, for contracture); release of flexor tendon sheath (tenolysis)	May be performed if concurrent trigger finger or flexor sheath pathology is present during fasciectomy.
`26121`	Excision of tendon sheath, partial (eg, for contractures)	Performed for adjacent sheath contracture requiring excision during hand fasciectomy.
`26440`	Tenotomy, percutaneous, flexor or extensor tendon (eg, trigger finger release)	May be performed in-office or OR for associated digital contractures or trigger digits.
`26160`	Repair, flexor tendon sheath (partial)	Performed when reconstruction of sheath or pulley is necessary after fasciectomy.
`29515`	Application of short arm cast (including padding)	May be applied postoperatively for immobilization following hand surgery including fasciectomy.

CPT 26010: Incision and Drainage of Finger Abscess

CPT-26011-FINGER-ABSCESS-DRAINAGE-FELON-INCISION-AND-DRAINAGE

CPT 26011: Incision and Drainage of Finger Abscess (Felon)

CPT-26020-TENDON-SHEATH-DRAINAGE-FINGER-PALM

CPT 26020: Incision and Drainage of Infected Tendon Sheath, Finger/Palm

CPT-26025-INCISION-DRAINAGE-INFECTED-PALMAR-BURSA-HAND

CPT 26025: Incision and Drainage of Infected Palmar Bursa, Hand

CPT-26030-DRAINAGE-MULTIPLE-PALMAR-BURSAE

CPT 26030: Drainage of Multiple Infected Palmar Bursae

CPT-26034-INCISION-OF-BONE-CORTEX-FOR-HAND-FINGER-INFECTION

CPT 26034: Incision of Bone Cortex for Hand or Finger Infection

CPT-26035-FINGER-HAND-DECOMPRESSION-INJECTION-INJURY

CPT 26035: Decompression of Fingers/Hand After Injection Injury

CPT-26037-HAND-FASCIOTOMY-DECOMPRESSION

CPT 26037: Hand Fasciotomy to Relieve Fascial Pressure

CPT-26045-DUPUYTRENS-CONTRACTURE-PALMAR-FASCIA-RELEASE

CPT 26045: Open Palmar Fascia Release for Dupuytren's Contracture

CPT-26055-TRIGGER-FINGER-TENDON-SHEATH-RELEASE

CPT 26055: Trigger Finger — Tendon Sheath Release

Showing 1–10 of 14

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
`26`	Professional component	Use when billing only the surgeon's professional service separate from the facility when applicable.
`50`	Bilateral procedure	Use when `26040` is performed on both hands during the same operative session and payer requires bilateral modifier.
`59`	Distinct procedural service	Use when another distinct procedure is performed at a separate site or session unrelated to the primary fasciectomy.
`62`	Two surgeons	Use when two surgeons of different specialties work together as primary surgeons performing distinct portions of the procedure.
`51`	Multiple procedures	Use when `26040` is reported with additional CPT procedures performed during the same operative session.
`52`	Reduced services	Use when the service performed was partially reduced or not completed as planned.
`53`	Discontinued procedure	Use when the procedure was started but aborted for patient safety reasons prior to completion.
`76`	Repeat procedure by same physician	Use when the same physician repeats the procedure on the same day.
`77`	Repeat procedure by another physician	Use when another physician repeats the procedure on the same day.
`79`	Unrelated procedure or service by same physician during postoperative period	Use when an unrelated procedure is performed during the global period of `26040`.
`RT`	Right side	Use to indicate the procedure was performed on the right hand when side-specific reporting is required.
`LT`	Left side	Use to indicate the procedure was performed on the left hand when side-specific reporting is required.
`AS`	Ambulatory surgical center	Use when billing for services provided in an ambulatory surgical center setting if payer requires.
`22`	Increased procedural services	Use when the work required to perform `26040` was substantially greater than typical.

Taxonomy Code	Specialty	Notes
207L00000X	Orthopedic Hand Surgery	Common specialty performing palmar fasciectomy; focused on hand and upper extremity.
207P00000X	Orthopedic Surgery	Orthopedic surgeons often perform hand procedures including fasciectomy.
207RH0000X	Plastic and Reconstructive Surgery	Plastic surgeons perform hand reconstruction and fasciectomy for Dupuytren's contracture.
2080P0004X	Surgery of the Hand (General Surgery with hand focus)	General surgeons with hand specialty or fellowship-trained hand surgeons may perform the procedure.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`M72.0`	Palmar fascial fibromatosis [Dupuytren]	Primary diagnosis indicating Dupuytren's contracture; direct indication for `26040`.
`M24.5`	Contracture of joint	Describes joint contracture which may result from Dupuytren's and be addressed during fasciectomy.
`M19.90`	Osteoarthritis, unspecified site	Coexisting degenerative joint disease that may affect hand function and surgical planning.
`M79.641`	Pain in right hand	Symptom code used when hand pain accompanies functional limitation from contracture.
`M79.642`	Pain in left hand	Symptom code used for left-hand presentations.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`26123`	Tendon sheath incision (eg, for contracture); release of flexor tendon sheath (tenolysis)	May be performed if concurrent trigger finger or flexor sheath pathology is present during fasciectomy.
`26121`	Excision of tendon sheath, partial (eg, for contractures)	Performed for adjacent sheath contracture requiring excision during hand fasciectomy.
`26440`	Tenotomy, percutaneous, flexor or extensor tendon (eg, trigger finger release)	May be performed in-office or OR for associated digital contractures or trigger digits.
`26160`	Repair, flexor tendon sheath (partial)	Performed when reconstruction of sheath or pulley is necessary after fasciectomy.
`29515`	Application of short arm cast (including padding)	May be applied postoperatively for immobilization following hand surgery including fasciectomy.

CPT 26010: Incision and Drainage of Finger Abscess

CPT-26011-FINGER-ABSCESS-DRAINAGE-FELON-INCISION-AND-DRAINAGE

CPT 26011: Incision and Drainage of Finger Abscess (Felon)

CPT-26020-TENDON-SHEATH-DRAINAGE-FINGER-PALM

CPT 26020: Incision and Drainage of Infected Tendon Sheath, Finger/Palm

CPT-26025-INCISION-DRAINAGE-INFECTED-PALMAR-BURSA-HAND

CPT 26025: Incision and Drainage of Infected Palmar Bursa, Hand

CPT-26030-DRAINAGE-MULTIPLE-PALMAR-BURSAE

CPT 26030: Drainage of Multiple Infected Palmar Bursae

CPT-26034-INCISION-OF-BONE-CORTEX-FOR-HAND-FINGER-INFECTION

CPT 26034: Incision of Bone Cortex for Hand or Finger Infection

CPT-26035-FINGER-HAND-DECOMPRESSION-INJECTION-INJURY

CPT 26035: Decompression of Fingers/Hand After Injection Injury

CPT-26037-HAND-FASCIOTOMY-DECOMPRESSION

CPT 26037: Hand Fasciotomy to Relieve Fascial Pressure

CPT-26045-DUPUYTRENS-CONTRACTURE-PALMAR-FASCIA-RELEASE

CPT 26045: Open Palmar Fascia Release for Dupuytren's Contracture

CPT-26055-TRIGGER-FINGER-TENDON-SHEATH-RELEASE

CPT 26055: Trigger Finger — Tendon Sheath Release

Showing 1–10 of 14

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.

Published by

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

OpenPayer

CPT 26040: Palmar Fascial Release for Dupuytren's Contracture

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Billing Code Overview

OpenPayer

CPT 26040: Palmar Fascial Release for Dupuytren's Contracture

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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 26040: Palmar Fascial Release for Dupuytren's Contracture

Sign up for cpt 26040 policy alerts

Billing Code Overview

CPT 26040: Palmar Fascial Release for Dupuytren's Contracture

Sign up for cpt 26040 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What clinical procedure and setting does CPT 26040 represent?

Which modifiers are commonly applied with CPT 26040 and when are they used?

What diagnosis (ICD-10) codes are relevant when billing CPT 26040?

What other CPT procedures are commonly associated with or performed alongside CPT 26040?

Which payors and sites of service are commonly encountered for CPT 26040, and are reimbursement rates provided?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What clinical procedure and setting does CPT 26040 represent?

Which modifiers are commonly applied with CPT 26040 and when are they used?

What diagnosis (ICD-10) codes are relevant when billing CPT 26040?

What other CPT procedures are commonly associated with or performed alongside CPT 26040?

Which payors and sites of service are commonly encountered for CPT 26040, and are reimbursement rates provided?

References