2021 ICD-10-CM Diagnosis Code L74.51

Primary focal hyperhidrosis

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • L74.51 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 L74.51 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of L74.51 - other international versions of ICD-10 L74.51 may differ.
The following code(s) above L74.51 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 L74.51:
  • L00-L99
    2021 ICD-10-CM Range L00-L99

    Diseases of the skin and subcutaneous tissue

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • lipomelanotic reticulosis (I89.8)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    • systemic connective tissue disorders (M30-M36)
    • viral warts (B07.-)
    Diseases of the skin and subcutaneous tissue
  • L60-L75
    2021 ICD-10-CM Range L60-L75

    Disorders of skin appendages

    Type 1 Excludes
    • congenital malformations of integument (Q84.-)
    Disorders of skin appendages
  • L74
    ICD-10-CM Diagnosis Code L74

    Eccrine sweat disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • generalized hyperhidrosis (R61)
    Eccrine sweat disorders
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
ICD-10-CM Codes Adjacent To L74.51
L73.2 Hidradenitis suppurativa
L73.8 Other specified follicular disorders
L73.9 Follicular disorder, unspecified
L74 Eccrine sweat disorders
L74.0 Miliaria rubra
L74.1 Miliaria crystallina
L74.2 Miliaria profunda
L74.3 Miliaria, unspecified
L74.4 Anhidrosis
L74.5 Focal hyperhidrosis
L74.51 Primary focal hyperhidrosis
L74.510 …… axilla
L74.511 …… face
L74.512 …… palms
L74.513 …… soles
L74.519 …… unspecified
L74.52 Secondary focal hyperhidrosis
L74.8 Other eccrine sweat disorders
L74.9 Eccrine sweat disorder, unspecified
L75 Apocrine sweat disorders
L75.0 Bromhidrosis

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