Below is a list summarizing the CPT codes for incision procedures on the salivary gland and ducts.
CPT Code 42300
CPT 42300 describes the drainage of a simple parotid abscess.
CPT Code 42305
CPT 42305 describes the drainage of a complicated parotid abscess.
CPT Code 42310
CPT 42310 describes the drainage of an abscess in the submaxillary or sublingual area of the intraoral cavity.
CPT Code 42320
CPT 42320 describes the drainage of an external submaxillary abscess.
CPT Code 42330
CPT 42330 describes sialolithotomy of the submandibular (submaxillary), sublingual, or parotid glands, performed intraorally and without complications.
CPT Code 42335
CPT 42335 describes a sialolithotomy of the submandibular (submaxillary) gland that is complicated and performed intraorally.
CPT Code 42340
CPT 42340 describes sialolithotomy, both extraoral and complicated intraoral, of the parotid gland.