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    v1.0.28
    OpenPayerBilling CodesOther and unspecified effects of external causesICD-10-CM t69-other-effects-of-reduced-temperature
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    ICD-10-CM Code For Other Effects Of Reduced Temperature: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group T69 includes conditions caused by reduced environmental or body temperature, such as hypothermia and its systemic effects, as well as sequelae from cold exposure. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving varying degrees of cold injury severity, organ involvement, and associated complications. Accurate coding within the ICD-10-CM T69 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM T69: Other Effects Of Reduced Temperature Overview

    This code group represents conditions resulting from exposure to cold and other reduced temperature effects on the body, such as hypothermia and related sequelae. It primarily targets systemic and organ-specific consequences of cold injury, including neurologic, cardiovascular, and tissue damage. Accurate coding is important because it supports complete clinical documentation and influences appropriate reimbursement and claim adjudication.

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    When to Use

    Use a code from this group when a patient has signs, symptoms, or documented diagnoses resulting from cold exposure or hypothermia. Choose the code that corresponds to the clinical severity, organ system affected, and any sequelae documented by the provider.

    ICD-10-CM Codes

    27 rows

    ICD-10-CM CodeDescription
    T69.011AImmersion hand, right hand, initial encounter
    T69.011DImmersion hand, right hand, subsequent encounter
    T69.011SImmersion hand, right hand, sequela
    T69.012AImmersion hand, left hand, initial encounter
    T69.012DImmersion hand, left hand, subsequent encounter
    T69.012SImmersion hand, left hand, sequela
    T69.019AImmersion hand, unspecified hand, initial encounter
    T69.019DImmersion hand, unspecified hand, subsequent encounter
    T69.019SImmersion hand, unspecified hand, sequela
    T69.021AImmersion foot, right foot, initial encounter
    T69.021DImmersion foot, right foot, subsequent encounter
    T69.021SImmersion foot, right foot, sequela
    T69.022AImmersion foot, left foot, initial encounter
    T69.022DImmersion foot, left foot, subsequent encounter
    T69.022SImmersion foot, left foot, sequela
    T69.029AImmersion foot, unspecified foot, initial encounter
    T69.029DImmersion foot, unspecified foot, subsequent encounter
    T69.029SImmersion foot, unspecified foot, sequela
    T69.1XXAChilblains, initial encounter
    T69.1XXDChilblains, subsequent encounter

    Showing 1–20 of 27

    DRG Codes

    4 rows

    DRG CodeDescription
    922Other Injury, Poisoning and Toxic Effect Diagnoses with MCC
    923Other Injury, Poisoning and Toxic Effect Diagnoses without MCC
    949Aftercare with CC/MCC
    950Aftercare without CC/MCC

    Typical Clinical Scenarios

    • An elderly adult found outdoors after prolonged exposure to cold temperatures presents to the emergency department with confusion, hypotension, bradycardia, and evidence of hypothermia-related metabolic derangement. The patient requires active rewarming and monitoring for systemic effects of reduced body temperature; clinicians assign a code from this group to capture the systemic consequences of hypothermia as an external cause sequela. Typical codes: T69.019A, T69.1XXA
    • A middle-aged construction worker develops chronic paresthesias and intermittent numbness in the extremities following a workplace episode of cold-water immersion several weeks earlier; he is seen in occupational medicine for evaluation of persistent neurologic sequelae. The visit documents ongoing effects attributable to prior cold injury rather than acute frostbite, and a code from this group is used to indicate other specified long-term effects of reduced temperature. Typical codes: T69.011D, T69.1XXD
    • A young adult admitted to inpatient rehab after rescue from prolonged avalanche burial has ongoing multi-system complications related to severe hypothermia, including coagulopathy and renal dysfunction; these are recorded as comorbid conditions affecting care planning and recovery. Codes from this group are assigned to document continued effects of the prior reduced temperature exposure as part of the patient’s current inpatient problem list. Typical codes: T69.8XXD, T69.9XXD

    Related Codes

    T66-RADIATION-SICKNESS-UNSPECIFIED

    ICD-10-CM Code For Radiation Sickness Unspecified: Group Overview

    T67-EFFECTS-OF-HEAT-AND-LIGHT

    ICD-10-CM Code For Effects Of Heat And Light: Group Overview

    T68-HYPOTHERMIA

    ICD-10-CM Code For Hypothermia: Group Overview

    T70-EFFECTS-OF-AIR-PRESSURE

    ICD-10-CM Code For Effects Of Air Pressure And Water Pressure: Group Overview

    T71-ASPHYXIATION-AND-RELATED-CONDITIONS

    ICD-10-CM Code For Asphyxiation: Group Overview

    T74-ADULT-AND-CHILD-ABUSE

    ICD-10-CM Code For Adult And Child Abuse Neglect And Other Maltreatment Confirmed: Group Overview

    T75-OTHER-AND-UNSPECIFIED-EFFECTS

    ICD-10-CM Code For Other And Unspecified Effects Of Other External Causes: Group Overview

    T76-ADULT-AND-CHILD-ABUSE-NEGLECT

    ICD-10-CM Code For Adult And Child Abuse Neglect And Other Maltreatment Suspected: Group Overview

    T78-ADVERSE-EFFECTS-NOT-ELSEWHERE-CLASSIFIED

    ICD-10-CM Code For Adverse Effects Not Elsewhere Classified: 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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