ICD-10-CM
ICD-10 code for Anonychia: Q84.3
The ICD-10-CM index points "Anonychia" to Q84.3, Anonychia. Q84.3 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in Q84
A header groups codes and is not billed. A billable code is one you can report.
- Q84Other congenital malformations of integumentHeader
- Q84.0Congenital alopeciaBillable
- Q84.1Congenital morphological disturbances of hair, not elsewhere classifiedBillable
- Q84.2Other congenital malformations of hairBillable
- Q84.3AnonychiaBillable
- Q84.4Congenital leukonychiaBillable
- Q84.5Enlarged and hypertrophic nailsBillable
- Q84.6Other congenital malformations of nailsBillable
- Q84.8Other specified congenital malformations of integumentBillable
- Q84.9Congenital malformation of integument, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
Related conditions
Related pages
- Q84.3 code detailsNotes, nearby codes, CMS-HCC group
- Category Q84Every code under it
- Chapter 17Congenital malformations and chromosomal abnormalities
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Anonychia?
The ICD-10-CM index points "Anonychia" to Q84.3, Anonychia. Q84.3 is a billable code.
Is Q84.3 billable?
Yes. Q84.3 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to Q84.3?
The CDC tabular list gives 1 Excludes1 note (not coded together) for Q84.3 and the categories above it. They are listed on this page.
What chapter is Q84.3 in?
Chapter 17. Congenital malformations and chromosomal abnormalities.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.