H70.10 Chronic mastoiditis, unspecified ear
Instructional Notes:
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H70.10
Description: Chronic mastoiditis, unspecified ear
↓
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H70.1
Description: Chronic mastoiditis
Exclude1:
- tuberculous mastoiditis (A18.03)
Inclusion Term:
- Caries of mastoid
- Fistula of mastoid
↓
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H70
Description: Mastoiditis and related conditions
↓
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H65-H75
Description: Diseases of middle ear and mastoid (H65-H75)
↓
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H60-H95
Description: Diseases of the ear and mastoid process
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes:
- Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition