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383.31 - Mucosal Cyst Of Postmastoidectomy Cavity


The ICD 9 Code for Mucosal cyst of postmastoidectomy cavity is listed as 383.31.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 383.31
Long Description: Mucosal cyst of postmastoidectomy cavity
Short Description: Postmastoid mucosal cyst
Chapter: Diseases Of The Nervous System And Sense Organs
Block: Diseases Of The Ear And Mastoid Process (380-389)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: H95.139 - Mucosal cyst of postmastoidectomy cavity, unspecified ear (approximate)
ICD-9-CM Siblings (same level / similar specificity) of 383.31:
383.30 - Postmastoidectomy complication, unspecified
383.32 - Recurrent cholesteatoma of postmastoidectomy cavity
383.33 - Granulations of postmastoidectomy cavity