ICD-10-CM Billable Code

Q84.2

Other congenital malformations of hair

Clinical Classification Guidelines

Inclusion Terms

  • Congenital hypertrichosis
  • Congenital malformation of hair NOS
  • Persistent lanugo

Medical Intelligence & Overview

ICD-10 code Q84.2 refers to various congenital conditions involving abnormal hair growth or formation. These conditions are present at birth and involve unusual hair patterns or types, such as excessive hair growth, abnormal hair textures, or persistent fetal hair. Proper recognition and understanding of these conditions are vital for diagnosis and management, although they are generally benign and primarily of cosmetic concern.

Causes & Symptoms

Clinical Causes: Genetic factors that influence hair development before birth Inherited syndromes or disorders affecting hair growth Mutations affecting hair follicle function or development Other congenital genetic abnormalities that involve hair formation

Key Symptoms: Excessive hair growth over parts of the body (hypertrichosis) Presence of fine, downy lanugo hair persisting beyond the fetal period Abnormal hair textures, such as coarse or curly hair at birth Unusual distribution of hair, possibly in patterns not typical for age or sex Possible associated skin abnormalities in some cases

Diagnostic & Treatment

Diagnosis Path: Diagnosis primarily involves clinical examination, noting the patterns, texture, and distribution of hair. Medical history and family history are considered to identify inherited patterns. Additional tests may include:

Treatment Protocols: Most congenital hair malformations are managed based on the patient's cosmetic concerns and overall health. Treatment options may include:

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

Clinical Advice & FAQs

Billing Guidance

Is Q84.2 a billable ICD-10 code?
Yes, Q84.2 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report Q84.2?
Clinical documentation must specify the nature of Other congenital malformations of hair and any associated comorbidities for accurate reporting.

Cite this Clinical Reference

Related Diagnosis Codes

Clinical Meta Tags

congenital malformations