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

2041 - Simple mastoidectomy

GEM Conversion to ICD-10 PCS

09B.B0ZZ

Fs: 10000 – Excision of Right Mastoid Sinus, Open Approach

09B.B3ZZ

Fs: 10000 – Excision of Right Mastoid Sinus, Percutaneous Approach

09B.B4ZZ

Fs: 10000 – Excision of Right Mastoid Sinus, Percutaneous Endoscopic Approach

09B.C0ZZ

Fs: 10000 – Excision of Left Mastoid Sinus, Open Approach

09B.C3ZZ

Fs: 10000 – Excision of Left Mastoid Sinus, Percutaneous Approach

09B.C4ZZ

Fs: 10000 – Excision of Left Mastoid Sinus, Percutaneous Endoscopic Approach

Sibling Codes

204.1

Simple mastoidectomy

204.2

Radical mastoidectomy

204.9

Other mastoidectomy

Parent Sibling Codes

201

Removal of tympanostomy tube

208

Operations on eustachian tube