L74.51
Non-billablePrimary focal hyperhidrosis
Primary focal hyperhidrosis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
- •generalized hyperhidrosisR61
Child Codes (5)
Related Codes(1)
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-10 code for primary focal hyperhidrosis?
The ICD-10-CM code for primary focal hyperhidrosis is L74.51. The full clinical description is "Primary focal hyperhidrosis". L74.51 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code L74.51 mean?
ICD-10-CM code L74.51 represents “Primary focal hyperhidrosis”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is L74.51 a billable code?
No, L74.51 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under L74.51.
What chapter is L74.51 in?
L74.51 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L74.51?
L74.51 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital malformations of integument (Q84.-).
What are the subcategories under L74.51?
L74.51 has 5 child codes, including: L74.510 (Primary focal hyperhidrosis, axilla), L74.511 (Primary focal hyperhidrosis, face), L74.512 (Primary focal hyperhidrosis, palms), L74.513 (Primary focal hyperhidrosis, soles), and 1 more.
What are the UMLS CUIs for L74.51?
L74.51 is linked to 1 UMLS Concept Unique Identifier: C1456132. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L74.51 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like primary focal hyperhidrosis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L74.51?
There is no direct ICD-11 mapping available for L74.51 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.