AutoICD API

Q84.6

Billable

Other congenital malformations of nails

Other congenital malformations of nails

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Congenital clubnail
  • Congenital koilonychia
  • Congenital malformation of nail NOS

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(8)
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(293)

SNOMED CT

Clinical Terms

  • Deformity of sternum
  • Hypohidrotic ectodermal dysplasia, hypothyroidism, ciliary dyskinesia syndrome
  • Pachydermoperiostosis of nail
  • CHANDS - Curly hair, ankyloblepharon, nail dysplasia syndrome
  • Autosomal dominant deafness with onychodystrophy syndrome
  • Congenital onychoatrophy
  • Hereditary brachyonychia
  • Nail and tooth abnormalities, marginal palmoplantar keratoderma, oral hyperpigmentation syndrome
  • COIF (congenital onychodysplasia of index fingers) syndrome
  • Congenital hypoplasia of nail unit of fifth toe
  • Finding of shape of nail
  • Onychoatrophy
  • Zori Stalker Williams syndrome
  • Macronychia
  • Congenital malformation of nails
  • Clubbing of nail
  • Severe T-cell immunodeficiency, congenital alopecia, nail dystrophy syndrome
  • Congenital anomaly of nail
  • Melanosis of mucosa of body orifice
  • Congenital misshapen rib
  • Pectus deformity of chest
  • Onychatrophia
  • Brachyonychia
  • Curly hair, ankyloblepharon, nail dysplasia syndrome
  • Aplasia of nail unit
  • Congenital malalignment of toenail of first digit of foot
  • Spoon nails
  • Agenesis of lunula
  • Autosomal dominant hearing loss, onychodystrophy syndrome
  • Congenital dysplasia of nail unit of finger
  • Hirschsprung disease with nail hypoplasia and dysmorphism
  • Congenital koilonychia
  • Al Gazali Donnai Muller syndrome
  • Congenital abnormal shape of rib
  • Congenital clubbing
  • Congenital malalignment of multiple toenails
  • Koilonychia
  • Pili torti onychodysplasia syndrome
  • Spoon-shaped nails
  • Congenital dysplasia of nail unit
  • ANOTHER syndrome
  • Heimler syndrome
  • Short nail
  • Atrophia unguium
  • Hypoplasia of distal phalanx of foot
  • ANN - Anonychia
  • Congenital megacolon
  • Inherited deformity of nail
  • Dermotrichic syndrome
  • Funnel chest
  • Congenital absent nails
  • Congenital isolated onychodysplasia
  • Nail anomalies
  • Deafness with onychodystrophy syndrome
  • Mammary digital nail syndrome
  • Trichterbrust
  • Familial koilonychia
  • Deafness, enamel hypoplasia, nail defect syndrome
  • Congenital alopecia and nail dystrophy with severe functional T-cell immunodeficiency
  • Mis-shapen ribs
  • KOILONYCHIA, HEREDITARY
  • NDNC2
  • Congenital clubbed nail
  • Clubbed nail pachydermoperiostosis
  • Deafness, onychodystrophy, osteodystrophy, intellectual disability syndrome
  • Congenital pterygium of nail
  • Pectus excavatum, macrocephaly, dysplastic nails syndrome
  • Increased curvature of nails
  • Hereditary koilonychia
  • Onycho-digito-mammary syndrome
  • Partial duplication of digit
  • Shortened little finger
  • Hyperpigmentation of oral mucosa
  • Congenital hypoplasia of nail unit
  • Congenital complete absence of lunula
  • Congenital funnel chest
  • DOOR syndrome
  • Congenital deformity of nail
  • Congenital hypoplasia of little finger
  • Trichothiodystrophy
  • NAIL DISORDER, NONSYNDROMIC CONGENITAL, 2
  • Club nail
  • Congenital hypoplasia of nail unit of little finger
  • Congenital dysplasia of nail unit of toe
  • Iso-Kikuchi syndrome
  • Atrophy of nail
  • Pterygium of nail
  • Alymphoid cystic thymic dysgenesis
  • Malalignment of nail
  • Hypoplasia of distal phalanx of toe
  • Polyonychia
  • DDOD (dominant deafness onychodystrophy) syndrome
  • Winged helix deficiency
  • Abnormally short little finger
  • Hippocratic nails
  • MDN (mammary digital nail) syndrome
  • Anonychia
  • Congenital dysplasia of toenail
  • Pignata Guarino syndrome
  • Congenital pectus excavatum
  • Trichothiodystrophy type G
  • Congenital clubnail
  • Onycho-tricho-dysplasia neutropenia syndrome
  • Congenital abnormality of nail
  • Ectodermal dysplasia with nail defect
  • Pectus excavatum
  • T-cell immunodeficiency, congenital alopecia, and nail dystrophy
  • Congenital hypoplasia of nail unit of toe
  • ANOTHER (alopecia, nail dystrophy, ophthalmic complications, thyroid dysfunction, hypohidrosis, ephelides, enteropathy, respiratory tract infection) syndrome
  • Hippocratic nail
  • Shape of nail - finding
  • Pectus recurvatum
  • Congenital koilonychia (disorder)
  • DOORS syndrome
  • Bifid digit
  • Congenital malalignment of great toenail
  • Hereditary racquet nails
  • Congenital hypoplasia of nail unit of thumb
  • Congenital nail disorder
  • Short stature, nail dysplasia, marginal palmoplantar keratoderma, oral hyperpigmentation syndrome
  • Ectodermal dysplasia short stature syndrome
  • Autosomal recessive deafness onychodystrophy syndrome
  • Congenital hypoplastic little fingernail
  • Congenital osteodystrophy
  • Bifid nail
  • Congenital dysplasia of fingernail
  • Congenital malalignment of nail of hallux
  • Congenital onychodysplasia of index fingers
  • Mucosal melanosis
  • Congenital malformation of nail NOS
  • Alopecia, nail dystrophy, ophthalmic complications, thyroid dysfunction, hypohidrosis, ephelides, enteropathy and respiratory tract infections
  • Congenital hypoplasia of toenail
  • Hypodontia and nail dysgenesis
  • Cobbler's chest
  • Congenital anomaly of nail (disorder)
  • Oto-onycho-peroneal syndrome
  • Congenital clubnail (disorder)
  • Congenital hypoplastic fifth toenail
  • Melanin pigmentation of oral mucosa
  • Nail disorder congenital
  • Congenital dilatation of colon
Frequently Asked Questions
What is the ICD-10 code for other congenital malformations of nails?

The ICD-10-CM code for other congenital malformations of nails is Q84.6. The full clinical description is "Other congenital malformations of nails". Q84.6 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q84.6 mean?

ICD-10-CM code Q84.6 represents “Other congenital malformations of nails”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q84.6 a billable code?

Yes, Q84.6 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q84.6 in?

Q84.6 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What SNOMED CT codes does Q84.6 map to?

Q84.6 maps to 64 SNOMED CT concepts: 23610003, 239050000, 897328006, 1010498006, 721223002, and 59 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q84.6?

Q84.6 is linked to 4 UMLS Concept Unique Identifiers: C0265997, C0265999, C0266000, C0478089. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q84.6 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other congenital malformations of nails affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of Q84.6?

Q84.6 maps to the ICD-11 code: LC31 (Developmental defects of the nail apparatus).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.