ICD10BillableValid for clinical use
ICD-10 Code L65.9: Nonscarring hair loss, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).
When is it used?
- May be used when a clinician documents nonscarring hair loss, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L60-L75Disorders of skin appendages
category
L65Other nonscarring hair loss
currentL65
Official coding notes
Inclusion terms
- Alopecia NOS
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Dermatologist
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 56317004high
Alopecia
Source: SNOMED International ICD-10 map
SNOMED_CT 1251399006high
Alopecia due to iron deficiency
Source: SNOMED International ICD-10 map
SNOMED_CT 1251400004high
Alopecia due to thyroid disorder
Source: SNOMED International ICD-10 map
SNOMED_CT 402638007high
Alopecia due to underlying disease
Source: SNOMED International ICD-10 map
SNOMED_CT 201144006high
Alopecia hereditaria
Source: SNOMED International ICD-10 map
SNOMED_CT 201137002high
Alopecia localis
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
L65.9
Common synonyms
Nonscarring hair loss, unspecifiedNonscarring hair loss
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.