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    OpenPayerBilling CodesInjuries to the knee and lower legICD-10-CM s89-other-and-unspecified-injuries-of-lower-leg
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    ICD-10-CM Code For Other And Unspecified Injuries Of Lower Leg: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group S89 includes other and unspecified injuries of the lower leg such as non-specific fractures, soft tissue injuries, contusions, open and closed wounds, and unspecified trauma to the tibia, fibula, ankle area and surrounding structures. These ICD-10-CM diagnosis codes are used to document acute traumatic events, the extent of soft tissue or bony involvement, and whether the injury is open or closed, capturing clinical complexity relevant to lower leg trauma. Accurate coding within the ICD-10-CM S89 group supports proper claim adjudication, complete clinical documentation and appropriate reimbursement.

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    ICD-10-CM S89: Other And Unspecified Injuries Of Lower Leg Overview

    The ICD-10-CM S89 code group captures other and unspecified injuries of the lower leg, including soft tissue trauma, contusions, and unspecified open or closed wounds affecting the tibia, fibula, ankle region and surrounding structures. These diagnoses target musculoskeletal and soft tissue injury to the lower leg and adjacent joints. Accurate coding ensures the clinical record reflects injury severity and supports appropriate reimbursement and claims processing.

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    When to Use

    Use a code from this group when the clinical documentation describes an injury to the lower leg that is unspecified or classified as "other" rather than a defined specific fracture, ligamentous tear, or named condition. These codes are appropriate when the medical record documents lower leg trauma without sufficient specificity to assign a more precise ICD-10-CM code.

    ICD-10-CM Codes

    378 rows

    ICD-10-CM CodeDescription
    S89.001AUnspecified physeal fracture of upper end of right tibia, initial encounter for closed fracture
    S89.001DUnspecified physeal fracture of upper end of right tibia, subsequent encounter for fracture with routine healing
    S89.001GUnspecified physeal fracture of upper end of right tibia, subsequent encounter for fracture with delayed healing
    S89.001KUnspecified physeal fracture of upper end of right tibia, subsequent encounter for fracture with nonunion
    S89.001PUnspecified physeal fracture of upper end of right tibia, subsequent encounter for fracture with malunion
    S89.001SUnspecified physeal fracture of upper end of right tibia, sequela
    S89.002AUnspecified physeal fracture of upper end of left tibia, initial encounter for closed fracture
    S89.002DUnspecified physeal fracture of upper end of left tibia, subsequent encounter for fracture with routine healing
    S89.002GUnspecified physeal fracture of upper end of left tibia, subsequent encounter for fracture with delayed healing
    S89.002KUnspecified physeal fracture of upper end of left tibia, subsequent encounter for fracture with nonunion
    S89.002PUnspecified physeal fracture of upper end of left tibia, subsequent encounter for fracture with malunion
    S89.002SUnspecified physeal fracture of upper end of left tibia, sequela
    S89.009AUnspecified physeal fracture of upper end of unspecified tibia, initial encounter for closed fracture
    S89.009DUnspecified physeal fracture of upper end of unspecified tibia, subsequent encounter for fracture with routine healing
    S89.009GUnspecified physeal fracture of upper end of unspecified tibia, subsequent encounter for fracture with delayed healing
    S89.009KUnspecified physeal fracture of upper end of unspecified tibia, subsequent encounter for fracture with nonunion
    S89.009PUnspecified physeal fracture of upper end of unspecified tibia, subsequent encounter for fracture with malunion
    S89.009SUnspecified physeal fracture of upper end of unspecified tibia, sequela
    S89.011ASalter-Harris Type I physeal fracture of upper end of right tibia, initial encounter for closed fracture
    S89.011DSalter-Harris Type I physeal fracture of upper end of right tibia, subsequent encounter for fracture with routine healing

    Showing 1–20 of 378

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    DRG Codes

    15 rows

    DRG CodeDescription
    559Aftercare, Musculoskeletal System and Connective Tissue with MCC
    560Aftercare, Musculoskeletal System and Connective Tissue with CC
    561Aftercare, Musculoskeletal System and Connective Tissue without CC/MCC
    562Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCC
    563Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCC
    564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
    565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
    566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
    913Traumatic Injury with MCC
    914Traumatic Injury without MCC
    949Aftercare with CC/MCC
    950Aftercare without CC/MCC
    963Other Multiple Significant Trauma with MCC
    964Other Multiple Significant Trauma with CC
    965Other Multiple Significant Trauma without CC/MCC

    Typical Clinical Scenarios

    • An adult presents to the emergency department after a motorcycle crash with an open, contaminated laceration and soft-tissue loss over the anterior lower leg above the ankle; there is acute bleeding and visible disruption of musculature requiring wound irrigation, debridement, and tetanus prophylaxis. A code from this group is assigned to capture the acute, traumatic soft-tissue injury of the lower leg during initial ED treatment. Typical codes: S89.001A, S89.011A
    • An elderly patient followed in orthopedics reports several weeks of persistent swelling, pain, and skin breakdown over the proximal lower leg after a minor fall; evaluation reveals a nonhealing contusion/abrasion with localized cellulitis and delayed healing requiring topical care and outpatient wound clinic follow-up. A code from this group is used to document the ongoing, subacute/complication stage of a lower-leg injury being managed outside the inpatient setting. Typical codes: S89.021D, S89.029D
    • A patient is admitted for surgical repair after a work-related crush injury to the lower leg that initially received field stabilization; during inpatient hospitalization the patient develops necrosis of soft tissue requiring repeated debridements and reconstructive procedures. A code from this group is assigned to capture the severe traumatic injury of the lower leg and its inpatient complications requiring operative management. Typical codes: S89.031K, S89.032K

    Related Codes

    S80-SUPERFICIAL-INJURY-KNEE-LOWER-LEG

    ICD-10-CM Code For Superficial Injury Of Knee And Lower Leg: Group Overview

    S81-OPEN-WOUND-KNEE-LOWER-LEG

    ICD-10-CM Code For Open Wound Of Knee And Lower Leg: Group Overview

    S82-FRACTURE-OF-LOWER-LEG

    ICD-10-CM Code For Fracture Of Lower Leg, Including Ankle: Group Overview

    S83-DISLOCATION-AND-SPRAIN-OF-KNEE

    ICD-10-CM Code For Dislocation And Sprain Of Joints And Ligaments Of Knee: Group Overview

    S84-INJURY-OF-LOWER-LEG-NERVES

    ICD-10-CM Code For Injury Of Nerves At Lower Leg Level: Group Overview

    S85-INJURY-OF-BLOOD-VESSELS-LOWER-LEG

    ICD-10-CM Code For Injury Of Blood Vessels At Lower Leg Level: Group Overview

    S87-CRUSHING-INJURY-LOWER-LEG

    ICD-10-CM Code For Crushing Injury Of Lower Leg: Group Overview

    S88-TRAUMATIC-AMPUTATION-OF-LOWER-LEG

    ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview

    Frequently Asked Questions

    References

    1. 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. 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. 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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