All ICD10 Codes

Q84

Non-Billable
ChapterQ00–Q99
Rankcategory
Official Description

Other congenital malformations of integument

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here)
  • inborn errors of metabolism (E70-E88)

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q80-Q89Other congenital malformations (Q80-Q89)
Q84Other congenital malformations of integument
Q84.0Congenital alopecia
Q84.1Congenital morphological disturbances of hair, not elsewhere classified
Q84.2Other congenital malformations of hair
Q84.3Anonychia
Q84.4Congenital leukonychia
Q84.5Enlarged and hypertrophic nails
Q84.6Other congenital malformations of nails
Q84.8Other specified congenital malformations of integument
Q84.9Congenital malformation of integument, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q84:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q84. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Agenesis2 unique routes
hair→Q84
nail (s)→Q84
Alopecia (hereditaria) (seborrheica)1 unique routes
congenital, congenitalis→Q84
Anomaly, anomalous (congenital) (unspecified type)4 unique routes
hair→Q84
integument→Q84(2 variants)
specified NEC→Q84
nail→Q84
Anonychia (congenital)1 unique routes
Direct index entry→Q84
Aplasia2 unique routes
cutis congenita→Q84
skin→Q84
Atrophia1 unique routes
unguium
congenita→Q84
Beaded hair (congenital)1 unique routes
Direct index entry→Q84
Brittle1 unique routes
nails
congenital→Q84
Canities (premature)1 unique routes
congenital→Q84
Clubnail1 unique routes
congenital→Q84
Deformity3 unique routes
ectodermal (congenital) NEC→Q84
integument (congenital)→Q84
nail (acquired)
congenital→Q84
Displacement, displaced1 unique routes
nail (congenital)→Q84
Dystrophy, dystrophia2 unique routes
nail
congenital→Q84
unguium
congenital→Q84
Egg shell nails1 unique routes
congenital→Q84
Eponychia1 unique routes
Direct index entry→Q84
Fragilitas1 unique routes
unguium
congenital→Q84
Furrowed1 unique routes
nail (s) (transverse)
congenital→Q84

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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