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    OpenPayerBilling CodesInjuries to the knee and lower legICD-10-CM s88-traumatic-amputation-of-lower-leg
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    ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group S88 includes traumatic amputations of the lower leg, specifying the level of amputation (for example through the tibia, fibula, ankle, or related structures) and laterality. These ICD-10-CM diagnosis codes are used to document acute traumatic limb loss, associated soft tissue and neurovascular injury, and the clinical complexity of post-amputation care. Accurate coding within the ICD-10-CM S88 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM S88: Traumatic Amputation Of Lower Leg Overview

    This group includes diagnosis codes for traumatic amputations involving the lower leg, including amputations through the tibia, fibula, ankle, and related soft tissues. It targets injuries to the knee and lower leg caused by traumatic events and is used to document the level and laterality of amputation. Accurate coding is important for clinical records and influences reimbursement and resource allocation for surgical and rehabilitative care.

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    When to Use

    Use a code from this group when a patient sustains a traumatic amputation of the lower leg documented by clinical examination or operative report. Select the code that reflects the exact anatomic level of amputation and whether the injury is initial encounter, subsequent encounter, or sequela as documented.

    ICD-10-CM Codes

    54 rows

    ICD-10-CM CodeDescription
    S88.011AComplete traumatic amputation at knee level, right lower leg, initial encounter
    S88.011DComplete traumatic amputation at knee level, right lower leg, subsequent encounter
    S88.011SComplete traumatic amputation at knee level, right lower leg, sequela
    S88.012AComplete traumatic amputation at knee level, left lower leg, initial encounter
    S88.012DComplete traumatic amputation at knee level, left lower leg, subsequent encounter
    S88.012SComplete traumatic amputation at knee level, left lower leg, sequela
    S88.019AComplete traumatic amputation at knee level, unspecified lower leg, initial encounter
    S88.019DComplete traumatic amputation at knee level, unspecified lower leg, subsequent encounter
    S88.019SComplete traumatic amputation at knee level, unspecified lower leg, sequela
    S88.021APartial traumatic amputation at knee level, right lower leg, initial encounter
    S88.021DPartial traumatic amputation at knee level, right lower leg, subsequent encounter
    S88.021SPartial traumatic amputation at knee level, right lower leg, sequela
    S88.022APartial traumatic amputation at knee level, left lower leg, initial encounter
    S88.022DPartial traumatic amputation at knee level, left lower leg, subsequent encounter
    S88.022SPartial traumatic amputation at knee level, left lower leg, sequela
    S88.029APartial traumatic amputation at knee level, unspecified lower leg, initial encounter
    S88.029DPartial traumatic amputation at knee level, unspecified lower leg, subsequent encounter
    S88.029SPartial traumatic amputation at knee level, unspecified lower leg, sequela
    S88.111AComplete traumatic amputation at level between knee and ankle, right lower leg, initial encounter
    S88.111DComplete traumatic amputation at level between knee and ankle, right lower leg, subsequent encounter

    Showing 1–20 of 54

    DRG Codes

    10 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
    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 construction worker presents to the emergency department after a high-energy crush injury from a falling heavy object that resulted in an open traumatic amputation through the lower leg below the knee with active hemorrhage and contaminated wound. Immediate evaluation, hemorrhage control, and surgical consultation for stump management or replantation are undertaken; an initial encounter code from the acute traumatic amputation series is assigned to document the new injury and need for emergent care. Typical codes: S88.021A, S88.022A
    • An elderly diabetic patient with a prior traumatic partial amputation of the lower leg now presents to clinic months later for routine follow-up and prosthetic fitting; the stump is healed but requires ongoing monitoring and rehabilitation. Because this visit is for subsequent care after the initial injury, a later encounter code for the healed traumatic amputation is used to document the status and coordinate prosthetic services. Typical codes: S88.021D, S88.022D
    • A patient who suffered a remote traumatic amputation of the lower leg develops a chronic stump osteomyelitis and recurrent skin breakdown at the amputation site, requiring evaluation for infection and possible revision surgery; the condition is managed as a sequela of the prior traumatic amputation. A sequela or subsequent code indicating a late effect of the traumatic amputation is assigned to capture the complication related to the old injury. Typical codes: S88.021S, S88.022S

    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

    S89-OTHER-AND-UNSPECIFIED-INJURIES-OF-LOWER-LEG

    ICD-10-CM Code For Other And Unspecified Injuries 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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