Q84.3
BillableAnonychia
Anonychia
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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
Q84.4Congenital 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
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(46)
SNOMED CT
- ANN - Anonychia23610003
- Anonychia23610003
- Congenital absent nails23610003
- Anonychia with bizarre flexural pigmentation239013001
- Anonychia with microcephaly syndrome720494009
- Teebi Kaurah syndrome720494009
- Congenital absence of fingernail of little finger1010496005
- Congenital absence of nail unit of little finger1010496005
- Congenital absence of nail unit of digit of hand1010497001
- Congenital absence of nail unit of thumb1010503009
- Congenital absence of thumb nail1010503009
- Aplasia of nail unit1144441002
- Aplasia of nail unit of toe1144673000
- Aplasia of toenail1144673000
UMLS
- ANN - AnonychiaC0265998
- Absent nailsC0265998
- AnonychiaC0265998
- Anonychia (disorder)C0265998
- Anonychia congenitaC0265998
- Aplastic nailsC0265998
- Complete absence of all fingernails (anonychia), congenitalC0265998
- Congenital absence of nailsC0265998
- Congenital absence of nails (anonychia)C0265998
- Congenital absent nailsC0265998
- Hyponychia congenitaC0265998
Clinical Terms
- Anonychia congenita
- Anonychia (disorder)
- Complete absence of all fingernails (anonychia), congenital
- ANN - Anonychia
- Congenital absence of thumb nail
- Congenital absence of nail unit of thumb
- Congenital absent nails
- Congenital absence of nail unit of little finger
- Teebi Kaurah syndrome
- Congenital absence of fingernail of little finger
- Congenital absence of nail unit of digit of hand
- Anonychia with bizarre flexural pigmentation
- Aplasia of nail unit of toe
- Aplasia of nail unit
- Absent nails
- Anonychia with microcephaly syndrome
- Aplastic nails
- Congenital absence of nails (anonychia)
- Aplasia of toenail
- Congenital absence of nails
- Hyponychia congenita
Frequently Asked Questions
What is the ICD-10 code for anonychia?
The ICD-10-CM code for anonychia is Q84.3. The full clinical description is "Anonychia". Q84.3 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q84.3 mean?
ICD-10-CM code Q84.3 represents “Anonychia”. 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 Q84.3 a billable code?
Yes, Q84.3 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q84.3 in?
Q84.3 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q84.3?
Q84.3 has Excludes1 notes indicating codes that cannot be used together with it, including: nail patella syndrome (Q87.2).
What SNOMED CT codes does Q84.3 map to?
Q84.3 maps to 8 SNOMED CT concepts: 23610003, 239013001, 720494009, 1144441002, 1144673000, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q84.3?
Q84.3 is linked to 1 UMLS Concept Unique Identifier: C0265998. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q84.3 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like anonychia 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 Q84.3?
Q84.3 maps to the ICD-11 code: EC22.0 (Inherited deformities of nails).
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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.