What is the ICD-10 code for androgenetic alopecia?

The ICD-10 code for unspecified androgenetic alopecia is L64.9, while drug-induced androgenetic alopecia is coded as L64.0.

How do you differentiate androgenetic alopecia from alopecia areata?

Androgenetic alopecia shows patterned hair loss and follicular miniaturization, while alopecia areata presents with sudden patchy hair loss and exclamation mark hairs.

ICD-10 Coding for Androgenetic Alopecia(L64.9, L63.9, L64.0)

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Learn about the ICD-10 coding for androgenetic alopecia, including primary and differential codes, documentation requirements, and clinical validation.

Also known as:

Male-pattern baldnessFemale-pattern hair loss

Related ICD-10 Code Ranges

Complete code families applicable to Androgenetic Alopecia

L00-L99Primary Range

Diseases of the skin and subcutaneous tissue

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
L64.9	Unspecified androgenetic alopecia	Use when androgenetic alopecia is diagnosed without specific cause or drug involvement.	Patterned hair loss with miniaturization of hair follicles Trichoscopy showing >20% vellus hairs
L64.0	Drug-induced androgenetic alopecia	Use when hair loss is directly linked to medication use.	Temporal relationship between drug use and hair loss onset Exclusion of other alopecia types

Primary ICD-10-CM Codes

Androgenic alopecia, unspecified

L64.9Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Alopecia areataL63.9

Telogen effluviumL65.0

Documentation & Coding Risks

Avoid these common issues when documenting Androgenetic Alopecia.

Vague documentation of hair loss

Impact

Clinical: Misdiagnosis of alopecia type., Regulatory: Potential audit failure., Financial: Denied claims due to insufficient documentation.

Mitigation

Use specific terminology for hair loss patterns., Document all diagnostic tests and results.

Using L64.9 for drug-induced hair loss

Impact

Reimbursement: Incorrect reimbursement due to misclassification., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use L64.0 with the appropriate drug code.

Incorrect coding of drug-induced alopecia

Impact

Failure to use L64.0 with appropriate drug code.

Mitigation

Educate coders on proper documentation and coding requirements.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with L64.9.

Androgenic Alopecia→

Primary Code

L64.9

Androgenic alopecia, unspecified

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ICD-10 codes5

Coding risks3

FAQs2

ICD-10 Coding for Androgenetic Alopecia(L64.9, L63.9, L64.0)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for androgenetic alopecia?

How do you differentiate androgenetic alopecia from alopecia areata?

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