Mastoiditis in infectious and parasitic diseases classified elsewhere, left ear

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Mastoiditis in infectious and parasitic diseases classified elsewhere, left ear

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from H75 Other disorders of middle ear and mastoid in diseases classified elsewhere

Code first

underlying disease

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Endomastoiditis
Infection, infected, infective > mastoid
Mastoiditis > in > parasitic disease NEC
Mastoiditis > in > infectious disease NEC

Codes in the same group

Code	Description	Status
H75.00	Mastoiditis in infectious and parasitic diseases classified elsewhere, unspecified ear	Valid
H75.01	Mastoiditis in infectious and parasitic diseases classified elsewhere, right ear	Valid
H75.03	Mastoiditis in infectious and parasitic diseases classified elsewhere, bilateral	Valid