Q84.5

Billable

Enlarged and hypertrophic nails

Q84.5 is the ICD-10-CM code for Enlarged and hypertrophic nails. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Q00-Q99
Parent
Q84
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

What this means — in plain language

MedlinePlus · NIH

Your toenails and fingernails protect the tissues of your toes and fingers. They are made up of layers of a hardened protein called keratin, which is also in your hair and skin. The health of your nails can be a clue to your overall health. Healthy nails are usually smooth and consistent in color. Specific types of nail discoloration and changes in growth rate can be signs of lung, heart, kidney, and liver diseases,…

Read more about Nail Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Congenital onychauxis
  • Pachyonychia

Frequently asked questions

What is ICD-10 code Q84.5?
Q84.5 is the ICD-10-CM code for "Enlarged and hypertrophic nails". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q84.5 a billable code?
Yes — Q84.5 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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