ICD-9-CM Codes ICD-9-PCS Codes

383.31 - Mucosal cyst of postmastoidectomy cavity

GEM Conversion to ICD-10 CM

H95.139

Fs: 10000 – Mucosal cyst of postmastoidectomy cavity, unspecified ear

Sibling Codes

383.30

Postmastoidectomy complication, unspecified

383.31

Mucosal cyst of postmastoidectomy cavity

383.32

Recurrent cholesteatoma of postmastoidectomy cavity

383.33

Granulations of postmastoidectomy cavity

Parent Sibling Codes

383.1

Chronic mastoiditis

383.9

Unspecified mastoiditis