Does D21.9 require prior authorization?

No, D21.9 does not require prior authorization (high confidence). Covered without prior authorization.

`D21.9`, Benign neoplasm of connective and other soft tissue, unspecified

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

Legible medical records must reference the patient's complaint or the physician's physical findings when billing with diagnosis L82.0.
Documentation must support a significant, separately identifiable E/M service when modifier 25 is appended (separate E/M note tied to the visit and not just the procedure).
Verify applicable procedure and global policy coding via the Medicare Physician Fee Schedule Database (MPFSDB) to determine where the global surgical policy applies.
When billing CPT 95905 for carpal tunnel, the diagnosis code must be G56.01 or G56.02.

Removal of benign or malignant skin lesions is addressed per the Local Coverage Determination L33445 and related billing/coding guidance.
Diagnosis code L82.0 (inflamed seborrheic keratosis) may be used when the medical record documents the patient's complaint or the physician's physical findings for the lesion.
Automated nerve conduction testing using the NC-stat (CPT 95905) is allowed only when there is a high pre-test or prior probability of carpal tunnel syndrome and the claim uses diagnosis code G56.01 or G56.02; allowed one service per arm.
If authorized by state law, physical therapists (PTs) are allowed to perform the technical and professional components of nerve conduction studies represented by CPT codes 95907-95913 consistent with a 7A supervision designation (effective 01/01/2013).
If authorized by state law, the technical component of neuromuscular junction testing CPT 95937 (TC) with supervision designation 7A is allowable for PTs consistent with the 7A description (effective 01/01/2013).
Needle electromyography CPT codes 95860-95872 and 95885-95887 have a 6A designation for the technical portion; PTs who are ABPTS-certified as qualified electrophysiologic clinical specialists and are authorized by state law may perform the technical and professional components according to the 6A description.

A57452, Billing and Coding: Peripheral Nerve Blocks

NGS-J6-L36850, Peripheral Nerve Blocks

FIRST_COAST-L33933, Peripheral Nerve Blocks

NGS-JK-L36850, Peripheral Nerve Blocks

AETNA-CPB-0766, High Intensity Focused Ultrasound

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