ICD-10-CM
ICD-10 code for Deformity ectodermal (congenital) NEC: Q84.9
The ICD-10-CM index points "Deformity ectodermal (congenital) NEC" to Q84.9, Congenital malformation of integument, unspecified. Q84.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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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
Related conditions
Related pages
- Q84.9 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 Deformity ectodermal (congenital) NEC?
The ICD-10-CM index points "Deformity ectodermal (congenital) NEC" to Q84.9, Congenital malformation of integument, unspecified. Q84.9 is a billable code.
Is Q84.9 billable?
Yes. Q84.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is Q84.9 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.