2021 ICD-10-CM Diagnosis Code T69.1

Chilblains

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • T69.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM T69.1 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of T69.1 - other international versions of ICD-10 T69.1 may differ.
The following code(s) above T69.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T69.1:
  • S00-T88
    2021 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T69
    ICD-10-CM Diagnosis Code T69

    Other effects of reduced temperature

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    Use Additional
    • code to identify source of exposure:
    • Exposure to excessive cold of man-made origin (W93)
    • Exposure to excessive cold of natural origin (X31)
    Other effects of reduced temperature
Clinical Information
  • A rare condition characterized by skin inflammation, blister formation, swelling and ulcerations in the extremities. It occurs in persons exposed to cold temperatures.
  • Recurrent localized itching, swelling and painful erythema on the fingers, toes or ears, produced by exposure to cold. It is also called pernio.
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to T69.1:
  • Type 2 Excludes: I73
    ICD-10-CM Diagnosis Code I73

    Other peripheral vascular diseases

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes

Diagnosis Index entries containing back-references to T69.1:
  • Chilblain T69.1(s) (lupus)
  • Dermatitis (eczematous) L30.9
    ICD-10-CM Diagnosis Code L30.9

    Dermatitis, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Eczema NOS
    • congelationis T69.1
  • Effect, adverse
    • cold (temperature) (weather) T69.9
      ICD-10-CM Diagnosis Code T69.9

      Effect of reduced temperature, unspecified

        2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
      • chilblains T69.1
  • Erythema, erythematous (infectional) (inflammation) L53.9
    ICD-10-CM Diagnosis Code L53.9

    Erythematous condition, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Erythema NOS
    • Erythroderma NOS
    • pernio T69.1
  • Pernio, perniosis T69.1

ICD-10-CM Codes Adjacent To T69.1
T69.021D …… subsequent encounter
T69.021S …… sequela
T69.022 Immersion foot, left foot
T69.022A …… initial encounter
T69.022D …… subsequent encounter
T69.022S …… sequela
T69.029 Immersion foot, unspecified foot
T69.029A …… initial encounter
T69.029D …… subsequent encounter
T69.029S …… sequela
T69.1 Chilblains
T69.1XXA …… initial encounter
T69.1XXD …… subsequent encounter
T69.1XXS …… sequela
T69.8 Other specified effects of reduced temperature
T69.8XXA …… initial encounter
T69.8XXD …… subsequent encounter
T69.8XXS …… sequela
T69.9 Effect of reduced temperature, unspecified
T69.9XXA …… initial encounter
T69.9XXD …… subsequent encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.