Q84.1 – Congenital morphological disturbances of hair, not elsewhere classified

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

Billable code

ICD-10-CM code Q84.1

Code: Q84.1 (claims format: Q841)
Description: Congenital morphological disturbances of hair, not elsewhere classified
Short description: Congenital morphological disturbances of hair, NEC
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 Q84.1

Applicable to:

Beaded hair
Monilethrix
Pili annulati

Excludes1 (not coded here):

Menkes' kinky hair syndrome (E83.09)

Index terms for Q84.1

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

Related codes in Q84

Q84.0 – Congenital alopeciaBillable
Q84.2 – Other congenital malformations of hairBillable
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 Q84.1?

Q84.1 is the ICD-10-CM code for congenital morphological disturbances of hair, not elsewhere classified, in the block Q80-Q89 (Other congenital malformations).

Is Q84.1 a billable code?

Yes. Q84.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q84.1 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.