Q84.6
BillableOther 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)
Q84.0Congenital alopecia
Q84.1Congenital morphological disturbances of hair, NEC
Q84.2Other congenital malformations of hair
Q84.3Anonychia
Q84.4Congenital leukonychia
Q84.5Enlarged and hypertrophic nails
Q84.8Other specified congenital malformations of integument
Q84.9Congenital malformation of integument, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(293)
SNOMED CT
- Club nail4373005
- Clubbing of nail4373005
- Hippocratic nail4373005
- Hippocratic nails4373005
- Increased curvature of nails4373005
- Congenital koilonychia18749008
- ANN - Anonychia23610003
- Anonychia23610003
- Congenital absent nails23610003
- Congenital dilatation of colon24291004
- Congenital megacolon24291004
- Congenital abnormality of nail35964007
- Congenital anomaly of nail35964007
- Congenital deformity of nail35964007
- Congenital malformation of nails35964007
- Congenital clubbed nail64596006
- Congenital clubbing64596006
- Congenital clubnail64596006
- Koilonychia66270006
- Spoon nails66270006
- Spoon-shaped nails66270006
- Macronychia86996006
- Congenital abnormal shape of rib92943002
- Congenital misshapen rib92943002
- Mis-shapen ribs92943002
- Pterygium of nail110987009
- Bifid nail110992006
- Clubbed nail pachydermoperiostosis223726008
- Pachydermoperiostosis of nail223726008
- Hyperpigmentation of oral mucosa235038002
- Melanin pigmentation of oral mucosa235038002
- Hypodontia and nail dysgenesis239021007
- CHANDS - Curly hair, ankyloblepharon, nail dysplasia syndrome239037001
- Curly hair, ankyloblepharon, nail dysplasia syndrome239037001
- Ectodermal dysplasia with nail defect239046007
- ANOTHER (alopecia, nail dystrophy, ophthalmic complications, thyroid dysfunction, hypohidrosis, ephelides, enteropathy, respiratory tract infection) syndrome239050000
- ANOTHER syndrome239050000
- Alopecia, nail dystrophy, ophthalmic complications, thyroid dysfunction, hypohidrosis, ephelides, enteropathy and respiratory tract infections239050000
- Hypohidrotic ectodermal dysplasia, hypothyroidism, ciliary dyskinesia syndrome239050000
- Brachyonychia247488004
- Short nail247488004
- Malalignment of nail247489007
- Bifid digit253971008
- Partial duplication of digit253971008
- Atrophia unguium276458009
- Atrophy of nail276458009
- Onychatrophia276458009
- Onychoatrophy276458009
- Deformity of sternum298727009
- Finding of shape of nail366652000
- Shape of nail - finding366652000
- Congenital funnel chest391982004
- Congenital pectus excavatum391982004
- Cobbler's chest391987005
- Funnel chest391987005
- Pectus excavatum391987005
- Pectus recurvatum391987005
- Trichterbrust391987005
- Inherited deformity of nail402776008
- Polyonychia403280008
- COIF (congenital onychodysplasia of index fingers) syndrome403281007
- Congenital onychodysplasia of index fingers403281007
- Iso-Kikuchi syndrome403281007
- Congenital malalignment of multiple toenails403282000
- Congenital pterygium of nail403283005
- Congenital onychoatrophy403284004
- Hereditary brachyonychia403800004
- Hereditary racquet nails403800004
- Oto-onycho-peroneal syndrome441944007
- Pectus deformity of chest444693004
- MDN (mammary digital nail) syndrome718679004
- Mammary digital nail syndrome718679004
- Onycho-digito-mammary syndrome718679004
- Autosomal recessive deafness onychodystrophy syndrome719800009
- DOOR syndrome719800009
- DOORS syndrome719800009
- Deafness, onychodystrophy, osteodystrophy, intellectual disability syndrome719800009
- Alymphoid cystic thymic dysgenesis720345008
- Congenital alopecia and nail dystrophy with severe functional T-cell immunodeficiency720345008
- Pignata Guarino syndrome720345008
- Severe T-cell immunodeficiency, congenital alopecia, nail dystrophy syndrome720345008
- T-cell immunodeficiency, congenital alopecia, and nail dystrophy720345008
- Winged helix deficiency720345008
- Deafness, enamel hypoplasia, nail defect syndrome721085000
- Heimler syndrome721085000
- Al Gazali Donnai Muller syndrome721223002
- Hirschsprung disease with nail hypoplasia and dysmorphism721223002
- Pili torti onychodysplasia syndrome723451000
- Trichothiodystrophy723551003
- Melanosis of mucosa of body orifice724847001
- Mucosal melanosis724847001
- Pectus excavatum, macrocephaly, dysplastic nails syndrome763863002
- Zori Stalker Williams syndrome763863002
- Ectodermal dysplasia short stature syndrome764995008
- Nail and tooth abnormalities, marginal palmoplantar keratoderma, oral hyperpigmentation syndrome764995008
- Short stature, nail dysplasia, marginal palmoplantar keratoderma, oral hyperpigmentation syndrome764995008
- Deafness with onychodystrophy syndrome773735007
- Dermotrichic syndrome782916003
- Congenital malalignment of great toenail840491009
- Congenital malalignment of nail of hallux840491009
- Congenital malalignment of toenail of first digit of foot840491009
- Abnormally short little finger897328006
- Shortened little finger897328006
- Onycho-tricho-dysplasia neutropenia syndrome1003381002
- Trichothiodystrophy type G1003381002
- Agenesis of lunula1010498006
- Congenital complete absence of lunula1010498006
- Congenital dysplasia of fingernail1142183001
- Congenital dysplasia of nail unit of finger1142183001
- Congenital dysplasia of nail unit1142193008
- Congenital dysplasia of nail unit of toe1142199007
- Congenital dysplasia of toenail1142199007
- Congenital hypoplasia of nail unit of little finger1144346006
- Congenital hypoplastic little fingernail1144346006
- Congenital hypoplasia of nail unit of fifth toe1144347002
- Congenital hypoplastic fifth toenail1144347002
- Congenital hypoplasia of nail unit of thumb1144406001
- Congenital hypoplasia of nail unit of toe1144407005
- Congenital hypoplasia of toenail1144407005
- Aplasia of nail unit1144441002
- Congenital hypoplasia of nail unit1144442009
- Hypoplasia of distal phalanx of foot1144708001
- Hypoplasia of distal phalanx of toe1144708001
- Congenital hypoplasia of little finger1145494001
- Autosomal dominant deafness with onychodystrophy syndrome1208614008
- Autosomal dominant hearing loss, onychodystrophy syndrome1208614008
- DDOD (dominant deafness onychodystrophy) syndrome1208614008
- Congenital isolated onychodysplasia1254893000
- Congenital osteodystrophy5731000119108
UMLS
- Congenital abnormality of nailC0265997
- Congenital anomaly of nailC0265997
- Congenital anomaly of nail (disorder)C0265997
- Congenital deformity of nailC0265997
- Congenital malformation of nail NOSC0265997
- Congenital malformation of nailsC0265997
- Congenital nail disorderC0265997
- Nail anomaliesC0265997
- Nail disorder congenitalC0265997
- Congenital clubbed nailC0265999
- Congenital clubbingC0265999
- Congenital clubnailC0265999
- Congenital clubnail (disorder)C0265999
- Congenital koilonychiaC0266000
- Congenital koilonychia (disorder)C0266000
- Familial koilonychiaC0266000
- Hereditary koilonychiaC0266000
- KOILONYCHIA, HEREDITARYC0266000
- Koilonychia, HereditaryC0266000
- NAIL DISORDER, NONSYNDROMIC CONGENITAL, 2C0266000
- NDNC2C0266000
- SPOON NAILSC0266000
- Other congenital malformations of nailsC0478089
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.