Does D23.21 require prior authorization?

No, D23.21 does not require prior authorization (high confidence). Code is covered without prior authorization.

`D23.21` — Other benign neoplasm of skin of right ear and external auricular canal

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Medical record must include the ordering provider's assessment related to the patient's complaint, relevant medical history, and results of pertinent tests/procedures.
The office visit record or operative report must be signed and dated; all services ordered or rendered to Medicare beneficiaries must be signed.
Claims must include ICD-10-CM diagnosis code(s) that accurately reflect the patient's condition and the reason(s) for the service.
For excisions, document the greatest clinical diameter of the lesion plus the margin required (measurement made prior to excision) and the rationale for choosing excision if not cosmetic.

Excision of a benign skin lesion is covered when there is clinical suspicion of malignancy (e.g., ICD-10-CM D48.5) documented in the medical record.
Removal is covered to address disturbance of skin sensation when documented (ICD-10-CM R20.0-R20.3, R20.8).
Removal is covered when documented objective changes (e.g., increase in size) support a diagnosis warranting excision.
Removal of a benign lesion is covered when the treating physician documents medical necessity for removal (physician judgment that lesion merits removal).
Report histopathologic examination separately when performed using CPT codes 88304-88305.
Select the CPT code for lesion removal by measuring the greatest clinical diameter of the apparent lesion plus the margin required for complete excision, with measurement made prior to excision.

L35498 — Removal of Benign Skin Lesions

J05

A57482 — Billing and Coding: Removal of Benign Skin Lesions

J05

L36850 — Peripheral Nerve Blocks

J06

A57452 — Billing and Coding: Peripheral Nerve Blocks

J06

L34938 — Removal of Benign Skin Lesions

Ask Verity about documentation requirements, denial risks, or coverage in your state.