Q84.2 – Other congenital malformations of hair

ICD-10-CM 2027 diagnosis code · Other congenital malformations

Billable code

ICD-10-CM code Q84.2

Code: Q84.2 (claims format: Q842)
Description: Other congenital malformations of hair
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Block: Q80-Q89 Other congenital malformations
Parent codes: Q84

Notes for Q84.2

Applicable to:

Congenital hypertrichosis
Congenital malformation of hair NOS
Persistent lanugo

Index terms for Q84.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q84

Q84.0 – Congenital alopeciaBillable
Q84.1 – Congenital morphological disturbances of hair, not elsewhere classifiedBillable
Q84.3 – AnonychiaBillable
Q84.4 – Congenital leukonychiaBillable
Q84.5 – Enlarged and hypertrophic nailsBillable
Q84.6 – Other congenital malformations of nailsBillable
Q84.8 – Other specified congenital malformations of integumentBillable
Q84.9 – Congenital malformation of integument, unspecifiedBillable

Frequently asked questions

What is ICD-10 code Q84.2?

Q84.2 is the ICD-10-CM code for other congenital malformations of hair, in the block Q80-Q89 (Other congenital malformations).

Is Q84.2 a billable code?

Yes. Q84.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q84.2 belong to?

It belongs to category Q84 – Other congenital malformations of integument.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.