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

2491 - Extension or deepening of buccolabial or lingual sulcus

GEM Conversion to ICD-10 PCS

0CN.40ZZ

Fs: 10000 – Release Buccal Mucosa, Open Approach

0CN.43ZZ

Fs: 10000 – Release Buccal Mucosa, Percutaneous Approach

0CN.4XZZ

Fs: 10000 – Release Buccal Mucosa, External Approach

Sibling Codes

249.1

Extension or deepening of buccolabial or lingual sulcus

249.9

Other dental operations

Parent Sibling Codes

240

Incision of gum or alveolar bone

242

244

Excision of dental lesion of jaw

245

246

Exposure of tooth

247

Application of orthodontic appliance

248

Other orthodontic operation