ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group S96 includes acute injuries to muscles and tendons at the ankle and foot level, such as strains, partial and complete tendon tears, and other soft tissue trauma affecting the distal lower extremity. These ICD-10-CM diagnosis codes are used to document clinical encounters for traumatic soft tissue injury around the ankle and foot, capturing the site, laterality, and severity of the injury. Accurate coding within the ICD-10-CM S96 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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ICD-10-CM S96: Injury Of Muscle And Tendon At Ankle And Foot Level Overview

The ICD-10-CM S96 code group represents acute injuries to muscles and tendons located at the ankle and foot level, including strains, ruptures, and partial tears. These diagnoses target the musculoskeletal system and periarticular soft tissues of the foot and ankle. Accurate coding matters for correct classification of injury severity and for reimbursement and clinical continuity.

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ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview

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ICD-10-CM S96: Injury Of Muscle And Tendon At Ankle And Foot Level Overview

When to Use

Use a code from this group when a patient presents with a documented muscle or tendon injury at the ankle or foot that requires clinical care, such as emergency evaluation, immobilization, or surgical repair. Apply the specific code that matches the documented tendon or muscle involved, the nature of the injury, laterality, and whether the visit is initial, subsequent, or for sequela.

ICD-10-CM Codes

180 rows

ICD-10-CM Code	Description
S96.001A	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, initial encounter
S96.001D	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, subsequent encounter
S96.001S	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, sequela
S96.002A	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, initial encounter
S96.002D	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, subsequent encounter
S96.002S	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, sequela
S96.009A	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, initial encounter
S96.009D	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, subsequent encounter
S96.009S	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, sequela
S96.011A	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, initial encounter
S96.011D	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, subsequent encounter
S96.011S	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, sequela
S96.012A	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, initial encounter
S96.012D	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, subsequent encounter
S96.012S	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, sequela
S96.019A	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, initial encounter
S96.019D	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, subsequent encounter
S96.019S	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, sequela
S96.021A	Laceration of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, initial encounter
S96.021D	Laceration of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, subsequent encounter

Showing 1–20 of 180

DRG Codes

14 rows

DRG Code	Description
562	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCC
563	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCC
564	Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
565	Other Musculoskeletal System and Connective Tissue Diagnoses with CC
566	Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
604	Trauma to the Skin, Subcutaneous Tissue and Breast with MCC
605	Trauma to the Skin, Subcutaneous Tissue and Breast without MCC
913	Traumatic Injury with MCC
914	Traumatic Injury without MCC
949	Aftercare with CC/MCC
950	Aftercare without CC/MCC
963	Other Multiple Significant Trauma with MCC
964	Other Multiple Significant Trauma with CC
965	Other Multiple Significant Trauma without CC/MCC

Typical Clinical Scenarios

An adult runner presents to the urgent care after twisting their ankle during a race, with acute lateral ankle pain, swelling, and focal tenderness over the peroneal tendons; clinic exam and point‑of‑care ultrasound confirm a partial tear of a tendon at the ankle level requiring immobilization and activity restriction. A diagnosis from this group is assigned because the injury is an acute tendon/muscle tear localized to the ankle/foot region and the visit is for initial management. Typical codes: S96.011A, S96.012A
An elderly patient with a history of peripheral neuropathy and chronic Achilles tendinopathy develops progressive posterior ankle pain and decreased function over months; they present to clinic for conservative management of a chronic degenerative tendon lesion without recent trauma. A code from this group is used to capture the ongoing, nonacute tendon/muscle disorder at the ankle/foot level and to guide longitudinal care and therapy planning. Typical codes: S96.011D, S96.012D
A middle‑aged construction worker returns for follow‑up after surgical repair of a ruptured foot tendon sustained on the job; visit documents postoperative complications with delayed healing and persistent pain several weeks after the initial operative intervention. A diagnosis from this group is assigned to report the sequelae or subsequent encounter related to the original tendon injury during the recovery phase. Typical codes: S96.011S, S96.012S

ICD-10-CM Code For Superficial Injury Of Ankle Foot And Toes: Group Overview

S91-OPEN-WOUND-OF-ANKLE-FOOT-TOES

ICD-10-CM Code For Open Wound Of Ankle Foot And Toes: Group Overview

S92-FRACTURE-OF-FOOT-AND-TOE

ICD-10-CM Code For Fracture Of Foot And Toe Except Ankle: Group Overview

S93-DISLOCATION-AND-SPRAIN-ANKLE-FOOT-TOE

ICD-10-CM Code For Dislocation And Sprain Of Joints And Ligaments At Ankle, Foot And Toe Level: Group Overview

S94-INJURY-OF-NERVES-ANKLE-FOOT

ICD-10-CM Code For Injury Of Nerves At Ankle And Foot Level: Group Overview

S95-INJURY-OF-BLOOD-VESSELS-ANKLE-FOOT

ICD-10-CM Code For Injury Of Blood Vessels At Ankle And Foot Level: Group Overview

S97-CRUSHING-INJURY-OF-ANKLE-AND-FOOT

ICD-10-CM Code For Crushing Injury Of Ankle And Foot: Group Overview

S98-TRAUMATIC-AMPUTATION-OF-ANKLE-AND-FOOT

ICD-10-CM Code For Traumatic Amputation Of Ankle And Foot: Group Overview

S99-OTHER-AND-UNSPECIFIED-INJURIES-ANKLE-FOOT

ICD-10-CM Code For Other And Unspecified Injuries Of Ankle And Foot: Group Overview

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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When to Use

ICD-10-CM Codes

180 rows

ICD-10-CM Code	Description
S96.001A	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, initial encounter
S96.001D	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, subsequent encounter
S96.001S	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, sequela
S96.002A	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, initial encounter
S96.002D	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, subsequent encounter
S96.002S	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, sequela
S96.009A	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, initial encounter
S96.009D	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, subsequent encounter
S96.009S	Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, sequela
S96.011A	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, initial encounter
S96.011D	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, subsequent encounter
S96.011S	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, sequela
S96.012A	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, initial encounter
S96.012D	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, subsequent encounter
S96.012S	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, left foot, sequela
S96.019A	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, initial encounter
S96.019D	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, subsequent encounter
S96.019S	Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot, sequela
S96.021A	Laceration of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, initial encounter
S96.021D	Laceration of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot, subsequent encounter

Showing 1–20 of 180

DRG Codes

14 rows

DRG Code	Description
562	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCC
563	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCC
564	Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
565	Other Musculoskeletal System and Connective Tissue Diagnoses with CC
566	Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
604	Trauma to the Skin, Subcutaneous Tissue and Breast with MCC
605	Trauma to the Skin, Subcutaneous Tissue and Breast without MCC
913	Traumatic Injury with MCC
914	Traumatic Injury without MCC
949	Aftercare with CC/MCC
950	Aftercare without CC/MCC
963	Other Multiple Significant Trauma with MCC
964	Other Multiple Significant Trauma with CC
965	Other Multiple Significant Trauma without CC/MCC

Typical Clinical Scenarios

An adult runner presents to the urgent care after twisting their ankle during a race, with acute lateral ankle pain, swelling, and focal tenderness over the peroneal tendons; clinic exam and point‑of‑care ultrasound confirm a partial tear of a tendon at the ankle level requiring immobilization and activity restriction. A diagnosis from this group is assigned because the injury is an acute tendon/muscle tear localized to the ankle/foot region and the visit is for initial management. Typical codes: S96.011A, S96.012A
An elderly patient with a history of peripheral neuropathy and chronic Achilles tendinopathy develops progressive posterior ankle pain and decreased function over months; they present to clinic for conservative management of a chronic degenerative tendon lesion without recent trauma. A code from this group is used to capture the ongoing, nonacute tendon/muscle disorder at the ankle/foot level and to guide longitudinal care and therapy planning. Typical codes: S96.011D, S96.012D
A middle‑aged construction worker returns for follow‑up after surgical repair of a ruptured foot tendon sustained on the job; visit documents postoperative complications with delayed healing and persistent pain several weeks after the initial operative intervention. A diagnosis from this group is assigned to report the sequelae or subsequent encounter related to the original tendon injury during the recovery phase. Typical codes: S96.011S, S96.012S

ICD-10-CM Code For Superficial Injury Of Ankle Foot And Toes: Group Overview

S91-OPEN-WOUND-OF-ANKLE-FOOT-TOES

ICD-10-CM Code For Open Wound Of Ankle Foot And Toes: Group Overview

S92-FRACTURE-OF-FOOT-AND-TOE

ICD-10-CM Code For Fracture Of Foot And Toe Except Ankle: Group Overview

S93-DISLOCATION-AND-SPRAIN-ANKLE-FOOT-TOE

ICD-10-CM Code For Dislocation And Sprain Of Joints And Ligaments At Ankle, Foot And Toe Level: Group Overview

S94-INJURY-OF-NERVES-ANKLE-FOOT

ICD-10-CM Code For Injury Of Nerves At Ankle And Foot Level: Group Overview

S95-INJURY-OF-BLOOD-VESSELS-ANKLE-FOOT

ICD-10-CM Code For Injury Of Blood Vessels At Ankle And Foot Level: Group Overview

S97-CRUSHING-INJURY-OF-ANKLE-AND-FOOT

ICD-10-CM Code For Crushing Injury Of Ankle And Foot: Group Overview

S98-TRAUMATIC-AMPUTATION-OF-ANKLE-AND-FOOT

ICD-10-CM Code For Traumatic Amputation Of Ankle And Foot: Group Overview

S99-OTHER-AND-UNSPECIFIED-INJURIES-ANKLE-FOOT

ICD-10-CM Code For Other And Unspecified Injuries Of Ankle And Foot: Group Overview

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

ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview

Sign up for ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview policy alerts

ICD-10-CM S96: Injury Of Muscle And Tendon At Ankle And Foot Level Overview

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ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview

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ICD-10-CM S96: Injury Of Muscle And Tendon At Ankle And Foot Level Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

References

ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview

Sign up for ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview policy alerts

ICD-10-CM S96: Injury Of Muscle And Tendon At Ankle And Foot Level Overview

ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview

Sign up for ICD-10-CM Code For Injury Of Muscle And Tendon At Ankle And Foot Level: Group Overview policy alerts

ICD-10-CM S96: Injury Of Muscle And Tendon At Ankle And Foot Level Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which injuries are included in ICD-10-CM code group `S96`?

How does `S96` capture laterality and encounter status for coding?

What code examples represent strains and lacerations in this group?

How do `S96` codes support reimbursement and claims adjudication?

Which DRGs are related to injuries in the `S96` group for hospital classification?

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which injuries are included in ICD-10-CM code group `S96`?

How does `S96` capture laterality and encounter status for coding?

What code examples represent strains and lacerations in this group?

How do `S96` codes support reimbursement and claims adjudication?

Which DRGs are related to injuries in the `S96` group for hospital classification?

References