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    OpenPayerBilling CodesInjuries to the elbow and forearmICD-10-CM s54-injury-of-forearm-nerves
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    ICD-10-CM Code For Injury Of Nerves At Forearm Level: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group S54 includes traumatic injuries to peripheral nerves at the forearm level, such as lacerations, crush injuries, and nerve compressions that result in motor or sensory deficits. These ICD-10-CM diagnosis codes are used to document acute nerve damage from injury mechanisms, capture laterality and encounter type, and indicate the presence of open versus closed wounds or associated complications. Accurate coding within the ICD-10-CM S54 group supports proper claim adjudication and ensures complete clinical documentation and appropriate reimbursement.

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    ICD-10-CM S54: Injury Of Nerves At Forearm Level Overview

    The ICD-10-CM S54 group captures traumatic injuries to peripheral nerves at the level of the forearm, including lacerations, contusions, and compressive injuries affecting motor and sensory function. These diagnoses target the peripheral nervous system structures in the forearm and are important for documenting neurologic deficits and treatment needs. Accurate coding matters for correct claim adjudication and to reflect the complexity of care and expected resource use.

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    When to Use

    Use a code from this group when a clinical encounter documents an acute or sequela nerve injury specifically at the forearm level with identified nerve involvement and laterality. Select codes that reflect the type of injury (open versus closed), the specific nerve affected if known, and the encounter status (initial, subsequent, or sequela).

    ICD-10-CM Codes

    54 rows

    ICD-10-CM CodeDescription
    S54.00XAInjury of ulnar nerve at forearm level, unspecified arm, initial encounter
    S54.00XDInjury of ulnar nerve at forearm level, unspecified arm, subsequent encounter
    S54.00XSInjury of ulnar nerve at forearm level, unspecified arm, sequela
    S54.01XAInjury of ulnar nerve at forearm level, right arm, initial encounter
    S54.01XDInjury of ulnar nerve at forearm level, right arm, subsequent encounter
    S54.01XSInjury of ulnar nerve at forearm level, right arm, sequela
    S54.02XAInjury of ulnar nerve at forearm level, left arm, initial encounter
    S54.02XDInjury of ulnar nerve at forearm level, left arm, subsequent encounter
    S54.02XSInjury of ulnar nerve at forearm level, left arm, sequela
    S54.10XAInjury of median nerve at forearm level, unspecified arm, initial encounter
    S54.10XDInjury of median nerve at forearm level, unspecified arm, subsequent encounter
    S54.10XSInjury of median nerve at forearm level, unspecified arm, sequela
    S54.11XAInjury of median nerve at forearm level, right arm, initial encounter
    S54.11XDInjury of median nerve at forearm level, right arm, subsequent encounter
    S54.11XSInjury of median nerve at forearm level, right arm, sequela
    S54.12XAInjury of median nerve at forearm level, left arm, initial encounter
    S54.12XDInjury of median nerve at forearm level, left arm, subsequent encounter
    S54.12XSInjury of median nerve at forearm level, left arm, sequela
    S54.20XAInjury of radial nerve at forearm level, unspecified arm, initial encounter
    S54.20XDInjury of radial nerve at forearm level, unspecified arm, subsequent encounter

    Showing 1–20 of 54

    DRG Codes

    10 rows

    DRG CodeDescription
    073Cranial and Peripheral Nerve Disorders with MCC
    074Cranial and Peripheral Nerve Disorders without MCC
    091Other Disorders of Nervous System with MCC
    092Other Disorders of Nervous System with CC
    093Other Disorders of Nervous System without CC/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 patient presents to the emergency department after a motorcycle collision with open forearm lacerations and acute loss of sensation and motor function in the distribution of the median nerve. Examination and operative exploration confirm an open traumatic injury to a forearm nerve requiring immediate repair; a code from this group is assigned to document the traumatic nerve injury and initial encounter for management. Typical codes: S54.01XA, S54.11XA
    • A middle-aged patient develops progressive numbness and weakness in the ulnar-innervated muscles of the forearm months after a closed distal radius fracture that healed with malunion; they are evaluated in clinic for chronic neuropathic pain and persistent motor deficit. Because this is a sequela of a prior injury with ongoing nerve dysfunction being managed non–emergently, a code from this group indicating subsequent encounter or sequela is used to capture the chronic nerve injury at the forearm level. Typical codes: S54.01XD, S54.11XD
    • An elderly patient is seen in rehabilitation following surgical exploration and repair of a deep laceration to the forearm that damaged multiple nerves; during follow-up they present with infection at the surgical site complicating recovery and delayed nerve recovery. The clinician documents the infected postoperative course with associated nerve injury and assigns the appropriate code from this group for encounter type reflecting subsequent care and complications of the initial forearm nerve injury. Typical codes: S54.01XS, S54.11XS

    Related Codes

    S50-SUPERFICIAL-INJURY-OF-ELBOW-AND-FOREARM

    ICD-10-CM Code For Superficial Injury Of Elbow And Forearm: Group Overview

    S51-OPEN-WOUND-OF-ELBOW-AND-FOREARM

    ICD-10-CM Code For Open Wound Of Elbow And Forearm: Group Overview

    S52-FRACTURE-OF-FOREARM

    ICD-10-CM Code For Fracture Of Forearm: Group Overview

    S53-DISLOCATION-AND-SPRAIN-ELBOW

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

    S55-INJURY-OF-BLOOD-VESSELS-FOREARM

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

    S56-INJURY-OF-FOREARM-SOFT-TISSUES

    ICD-10-CM Code For Injury Of Muscle, Fascia And Tendon At Forearm Level: Group Overview

    S57-CRUSHING-INJURY-ELBOW-FOREARM

    ICD-10-CM Code For Crushing Injury Of Elbow And Forearm: Group Overview

    S58-TRAUMATIC-AMPUTATION-OF-ELBOW-AND-FOREARM

    ICD-10-CM Code For Traumatic Amputation Of Elbow And Forearm: Group Overview

    S59-OTHER-AND-UNSPECIFIED-INJURIES-ELBOW-FOREARM

    ICD-10-CM Code For Other And Unspecified Injuries Of Elbow And Forearm: 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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