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H70.8 - Other mastoiditis and related conditions


The ICD 10 Code for Other mastoiditis and related conditions is listed as H70.8.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: H70.8
Description: Other mastoiditis and related conditions
  • Excludes1: preauricular sinus and cyst (Q18.1)
  • sinus, fistula, and cyst of branchial cleft (Q18.0)
Chapter Diseases of the ear and mastoid process (H60-H95)
Block Diseases of middle ear and mastoid (H65-H75)
Parent H70 - Mastoiditis and related conditions
ICD-10-CM Children (deeper level / typically more specific) of H70.8:
H70.81 - Postauricular fistula
H70.89 - Other mastoiditis and related conditions
ICD-10-CM Siblings (same level / similar specificity) of H70.8:
H70.0 - Acute mastoiditis
H70.1 - Chronic mastoiditis
H70.2 - Petrositis
H70.9 - Unspecified mastoiditis