Does D21.4 require prior authorization?

No, D21.4 does not require prior authorization (high confidence). Covered without prior authorization.

`D21.4`, Benign neoplasm of connective and other soft tissue of abdomen

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.
This billing and coding article provides guidelines that complement Local Coverage Determination L34415 for CT of the abdomen and pelvis; consult LCD L34415 for specific coverage indications, limitations, and documentation requirements.

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.
Compounded medications for use in implantable infusion pumps may be covered by Medicare when their use meets all other criteria for services provided incident to a physician's service.
True off-the-shelf (non‑compounded) drugs used without compounding and administered via DME may be billed using the drug-specific HCPCS code and are reimbursed under CMS ASP methodology.
If Prialt® is implanted as a single agent in the pump, bill using HCPCS code J2278-KD.
Compounded single-agent or combination drug formulations used in implanted infusion pumps must be billed using HCPCS code J7999-KD for reimbursement.

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

A56580, Billing and Coding: Computerized Axial Tomography (CT), Thorax

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