Does L0999 require prior authorization?

Yes, L0999 requires prior authorization (high confidence). At least one active policy explicitly requires prior authorization.

`L0999`, Addition to spinal orthosis, not otherwise specified

HCPCS/CPT

Prior Auth Required

At least one active policy explicitly requires prior authorization (high confidence)

Patient-reported outcome measures (PROMs) where applicable: SRS-22, SF-36, and other quality-of-life scores (many comparative studies collected SRS-22 and SF-36 scores; Pehlivanoglu et al 2021b; Rushton et al 2021).
Pulmonary function tests where relevant (some cohorts lacked complete PFT results and this limited analyses; Qiu et al 2021 noted incomplete PFTs in fusion cohort).
Documentation of indications for MCGR/MAGEC including rationale that instrumented fusion would result in unacceptable reduction in final height or respiratory function and confirmation of age/bone age criteria when used (NHS guidance).
There are no explicit documentation requirements stated in this document. (No section titled "Documentation Requirements" is present in the provided text.)

Aetna considers the following types of braces and casts medically necessary durable medical equipment (DME) for the treatment of scoliosis: Standard thoracolumbosacral orthosis (TLSO).
22548 (listed in the table — appears under covered codes)
Aetna considers surgery (e.g., spinal fusion with instrumentation and bone grafting) for the treatment of idiopathic scoliosis medically necessary for any of the following conditions: Idiopathic scoliosis with curve greater than or equal to 40 degrees in an adolescent younger than age 18;
Aetna considers surgery (e.g., spinal fusion with instrumentation and bone grafting) for the treatment of idiopathic scoliosis medically necessary for any of the following conditions: Idiopathic scoliosis with curve greater than or equal to 50 degrees in a young adult age 18 to 25.
Aetna considers growing rods technique medically necessary in the treatment of idiopathic scoliosis for persons who meet criteria for surgery above (includes the MAGEC System).
An orthosis (orthopedic brace) and/or prosthesis is medically necessary when: Care is prescribed by a physician, nurse practitioner, podiatrist or other health professional who is qualified to prescribe orthotics and/or prosthetics according to state law;

ANTHEM-CG-DME-11, CG-OR-PR-06 Spinal Orthoses: Thoracic-Lumbar-Sacral (TLSO), Lumbar-Sacral (LSO), and Lumbar

EVICORE-HPLAN-CIGNA_MEDICARE-268F28B96146, Cigna Medicare Advantage Durable Medical Equipment Code List - Effective 01/01/2025

AETNA-CPB-0398, Idiopathic Scoliosis

AMBETTER-CP.MP.107, Durable Medical Equipment and Orthotics and Prosthetics Guidelines

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