CurrentBlue Cross Blue Shield - MassachusettsPolicy 550

Scoliosis Treatment Policy

Defines medical necessity criteria and coverage for orthotic bracing (and statements regarding fusionless surgical procedures) for juvenile and adolescent idiopathic scoliosis for Commercial and Medicare members, plus coding and authorization guidance.

Policy Summary

PayerBlue Cross Blue Shield - Massachusetts

PolicyScoliosis Treatment Policy

Policy CodePolicy 550

Change TypeAnnual reviewcoding clarification

Effective DateJun 1, 2018

Next Review Date

Key ActionObtain required precertification/preauthorization for inpatient services and document Cobb angle, Risser grade, and menarche timing (when applicable) to demonstrate medical necessity.

SourceLink

POLICY UPDATE CHANGES

10/2024: Clarified coding information.

6/2025: Annual policy review; summary and references updated; policy statements unchanged.

6/2018: Investigational statement on vertebral body stapling and vertebral body tethering removed; title changed effective 6/1/2018.

2Primary coverage pathways (curve-based vs growth/progression-based)

6HCPCS orthosis codes listed

0Coverage statements for fusionless surgery (definitive)

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Purpose: Orthotic bracing is used to slow curve progression and reduce the need for spinal fusion in skeletally immature patients with juvenile or adolescent idiopathic scoliosis.

Target population: juvenile and adolescent individuals with idiopathic scoliosis who are at high risk of progression during growth.

Note: Fusionless surgical procedures (vertebral body stapling and vertebral body tethering) have been evaluated as alternatives to bracing but are described as being evaluated and are not established as standard therapy in this policy.

Key clinical thresholds

Cobb angle pathway (Option A)Idiopathic curve 25°–40°

Cobb angle pathway (Option B)Curve >20° with documented progression

Risser guidance (general)Risser grade 0–3 indicates spinal growth not completed

Risser guidance (growth-remaining) Risser grade 0 or 1 indicates ≥2 years’ growth remaining

Post-menarche window (females)No more than 1 year post-menarche for immature criteria; pre-menarche required when ≥2 years growth remain

Medically Necessary Criteria

Medically Necessary - Orthotic Bracing for Juvenile/Adolescent Idiopathic Scoliosis

Covered when ALL of the following are met:

ALL of the following

Patient has juvenile or adolescent idiopathic scoliosis
CURVE/AGE/GROWTH CRITERIA (ONE OF)
- Option A
  - Idiopathic spinal curve angle between 25° and 40°25°-40°
  - Spinal growth has not been completed (Risser grade 0-3; no more than 1 year post menarche in females)Risser 0-3; ≤1 year post-menarche
- Option B
  - Idiopathic spinal curve angle greater than 20°>20°
  - At least 2 years' growth remain (Risser grade 0 or 1; pre-menarche in females)Risser 0-1; pre-menarche
  - There is documented increase in the curve angle

Not Covered / Investigational

Investigational / Not Covered

Not covered / investigational when criteria above are not met:

ALL of the following

Use of an orthosis for the treatment of scoliosis that does not meet the medical necessity criteria above is considered INVESTIGATIONAL
Fusionless surgical procedures (vertebral body stapling and vertebral body tethering) are described as being evaluated; policy does not provide coverage statement for these as standard therapy (investigational/not established)

Coding

HCPCS Codes (Scoliosis orthoses) - informational; must meet medical necessity criteria to be coveredHCPCSCovered

L1000	Cervical-thoracic-lumbar-sacral orthotic (CTLSO) (Milwaukee), inclusive of furnishing
L1001	Cervical-thoracic-lumbar-sacral orthotic (CTLSO), immobilizer; infant size, prefabricated, includes fitting and adjustment
L1006	Scoliosis orthosis, sagittal-coronal control provided by a rigid lateral frame, extends from axilla to trochanter, includes all accessory pads, straps and interface, prefabricated item customized to fit a specific patient
L1007	Scoliosis orthosis, sagittal-coronal control provided by a rigid lateral frame, extends from axilla to trochanter, includes all accessory pads, straps, and interface, custom fabricated
L1200	Thoracic-lumbar-sacral orthotic (TLSO) inclusive of furnishing - initial orthotic only
L1300	Other scoliosis procedure - body jacket molded to patient model
L1310

Provider Actions

Prior Authorization

Precertification/Preauthorization Required for Inpatient Procedures

Precertification/preauthorization IS REQUIRED for services described in this policy if the procedure is performed inpatient.

Prior Authorization

Outpatient Prior Authorization Guidance

For outpatient services, prior authorization may be required depending on product. Prior authorization is not required for Commercial PPO, Indemnity, and Medicare PPO Blue in the outpatient setting (see product-specific guidance).

Documentation Required

Documentation of Curve Progression and Skeletal Maturity Required

Documentation must include objective measures to demonstrate curve magnitude, skeletal maturity, and growth status, and any documented curve progression when required by the coverage criteria.

Cobb angle measurements
Risser grade
Timing of menarche for females (pre- or post-menarche and time since menarche)
Documented increase in curve angle when progression is required by the criteria

Billing Rule

Report services using current codes

Providers should report all services using the most up-to-date industry-standard procedure, revenue, and diagnosis codes, including modifiers where applicable.

Background & Evidence

Bracing goals: The primary aim of orthotic bracing is to slow or prevent further curve progression during rapid growth to avoid progression to deformity and the need for spinal fusion.

Guiding clinical factors: Treatment decisions are guided primarily by Cobb angle (curve magnitude) and skeletal maturity (Risser sign and timing of menarche in females).

Note: Fusionless procedures such as vertebral body stapling and vertebral body tethering are under evaluation as alternatives to bracing; they use growth-modulating implants and are not established as routine coverage in this policy.

Evidence	Summary
Key RCT (Weinstein NEJM 2013)	2013 NIH‑sponsored trial (Weinstein et al., N Engl J Med 2013) — randomized and observational arms; stopped early for benefit showing bracing significantly reduced progression and need for spinal fusion; considered highest‑quality evidence supporting conventional rigid bracing.
Systematic reviews/meta-analyses	Systematic reviews and meta‑analyses report higher success with full‑time and nighttime rigid braces versus soft bracing or observation, supporting conventional rigid bracing to improve net health outcome in high‑risk juvenile/adolescent idiopathic scoliosis.
Insufficient evidence for microcomputer‑controlled/flexible braces	Microcomputer‑controlled braces: pilot RCT (n=12) showed improved outcomes but was too small to be conclusive. Flexible braces: RCT and nonrandomized studies yielded mixed or non‑equivalent results. Evidence is insufficient to determine improvement in net health outcome for these brace types.

Cobb angle: The angle formed between intersecting lines drawn perpendicular to the top and bottom vertebrae of the curve; used to quantify scoliosis curvature.

Risser grade: A measure of iliac apophysis ossification from 0 (no ossification) to 5 (complete), used to assess skeletal maturity and remaining spinal growth.

Revision History

2018-06policy_revision

Investigational statement on vertebral body stapling and vertebral body tethering removed; title changed effective 6/1/2018; policy section clarified, statements otherwise unchanged.

2024-10coding_clarification

Clarified coding information; policy statements unchanged.

2025-06annual_reviewLatest

Annual policy review: summary and references updated; policy statements unchanged.