Q84.5 – Enlarged and hypertrophic nails
ICD-10-CM 2027 diagnosis code · Other congenital malformations
ICD-10-CM code
Q84.5
- Code
Q84.5(claims format:Q845)- Description
- Enlarged and hypertrophic nails
- 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 Q84.5
Applicable to:
- Congenital onychauxis
- Pachyonychia
Index terms for Q84.5
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
- Q84.2 – Other congenital malformations of hairBillable
- Q84.3 – AnonychiaBillable
- Q84.4 – Congenital leukonychiaBillable
- 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 Q84.5?
Q84.5 is the ICD-10-CM code for enlarged and hypertrophic nails, in the block Q80-Q89 (Other congenital malformations).
Is Q84.5 a billable code?
Yes. Q84.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q84.5 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.