Q84.4Billable
Congenital leukonychia
- Chapter
- 17. Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q84
- Effective date
- October 1, 2026
Related codes in category Q84
Q84Other congenital malformations of integumentQ84.0Congenital alopeciaYesQ84.1Congenital morphological disturbances of hair, NECYesQ84.2Other congenital malformations of hairYesQ84.3AnonychiaYesQ84.5Enlarged and hypertrophic nailsYesQ84.6Other congenital malformations of nailsYesQ84.8Other specified congenital malformations of integumentYesQ84.9Congenital malformation of integument, unspecifiedYes
Frequently asked questions
What is ICD-10 code Q84.4?
Q84.4 is an ICD-10-CM diagnosis code for Congenital leukonychia.
Is Q84.4 a billable code?
Yes. Q84.4 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Q84.4 in?
Q84.4 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.
When did Q84.4 become effective?
Q84.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Q84.4?
Q84.4 belongs to category Q84, which includes 9 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.