H74.9
Non-billableUnspecified disorder of middle ear and mastoid
Unspecified disorder of middle ear and mastoid
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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
- •mastoiditisH70
Child Codes (4)
Related Codes(6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-10 code for unspecified disorder of middle ear and mastoid?
The ICD-10-CM code for unspecified disorder of middle ear and mastoid is H74.9. The full clinical description is "Unspecified disorder of middle ear and mastoid". H74.9 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H74.9 mean?
ICD-10-CM code H74.9 represents “Unspecified disorder of middle ear and mastoid”. 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 H74.9 a billable code?
No, H74.9 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 H74.9.
What chapter is H74.9 in?
H74.9 is in Chapter 8: Diseases of the Ear and Mastoid Process (codes H60-H95).
What are the subcategories under H74.9?
H74.9 has 4 child codes, including: H74.90 (Unsp disorder of middle ear and mastoid, unspecified ear), H74.91 (Unspecified disorder of right middle ear and mastoid), H74.92 (Unspecified disorder of left middle ear and mastoid), H74.93 (Unspecified disorder of middle ear and mastoid, bilateral).
What are the UMLS CUIs for H74.9?
H74.9 is linked to 1 UMLS Concept Unique Identifier: C0155494. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H74.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified disorder of middle ear and mastoid 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 H74.9?
H74.9 maps to the ICD-11 code: AB1Z (Diseases of middle ear or mastoid, unspecified).
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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.