H70.81
Non-billablePostauricular fistula
Postauricular fistula
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (4)
Related Codes(1)
Also Known As / Clinical Terms(10)
UMLS
- Pit behind the earC0395905
- Postaural fistulaC0395905
- Postaural mastoid fistulaC0395905
- Postauricular earpitsC0395905
- Postauricular fistulaC0395905
- Postauricular fistula (disorder)C0395905
- Postauricular fistula, unspecified earC0395905
- Postauricular pitC0395905
- Posterior auricular pitC0395905
- Posterior auricular sinusC0395905
Frequently Asked Questions
What is the ICD-10 code for postauricular fistula?
The ICD-10-CM code for postauricular fistula is H70.81. The full clinical description is "Postauricular fistula". H70.81 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H70.81 mean?
ICD-10-CM code H70.81 represents “Postauricular fistula”. It is classified under Chapter 8: Diseases of the Ear and Mastoid Process and is a non-billable header code. Use a more specific child code for billing purposes.
Is H70.81 a billable code?
No, H70.81 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under H70.81.
What chapter is H70.81 in?
H70.81 is in Chapter 8: Diseases of the Ear and Mastoid Process (codes H60-H95).
What codes cannot be used with H70.81?
H70.81 has Excludes1 notes indicating codes that cannot be used together with it, including: preauricular sinus and cyst (Q18.1); sinus, fistula, and cyst of branchial cleft (Q18.0).
What are the subcategories under H70.81?
H70.81 has 4 child codes, including: H70.811 (Postauricular fistula, right ear), H70.812 (Postauricular fistula, left ear), H70.813 (Postauricular fistula, bilateral), H70.819 (Postauricular fistula, unspecified ear).
What are the UMLS CUIs for H70.81?
H70.81 is linked to 1 UMLS Concept Unique Identifier: C0395905. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H70.81 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like postauricular fistula 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 H70.81?
There is no direct ICD-11 mapping available for H70.81 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.