Q84.5
ICD-10BillableEnlarged and hypertrophic nails
Official ICD-10-CM descriptor (FY2026)
Enlarged and hypertrophic nails
Q84.5 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Congenital onychauxis
- Pachyonychia
Related codes in Q84
- Q84.0Congenital alopecia
- Q84.1Congenital morphological disturbances of hair, NEC
- Q84.2Other congenital malformations of hair
- Q84.3Anonychia
- Q84.4Congenital leukonychia
- Q84.6Other congenital malformations of nails
- Q84.8Other specified congenital malformations of integument
- Q84.9Congenital malformation of integument, unspecified
Where this code sits
- Parent code
- Q84
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.