AIM (out-of-state / Federal BCBS) Spinal Fusion Surgery prior authorization requirements (2026)

What AIM (out-of-state / Federal BCBS) generally requires to approve Spinal Fusion Surgery (CPT C1821, 22102, 22103, 22210, 22212, 22214, 22216, 22220, 22222, 22224, 22226, 22532, 22533, 22534, 22548, 22551, 22552, 22554, 22556, 22558, 22585, 22590, 22595, 22600, 22610, 22612, 22614, 22630, 22632, 22633, 22634, 22830, 22840, 22841, 22842, 22843, 22844, 22845, 22846, 22847, 22848, 22849, 22853, 22854, 22859, 27278, 27279, 27280, 20930, 20931, 20936, 20937, 20938), for commercial plans. Yes. AIM (out-of-state / Federal BCBS) generally requires prior authorization for Spinal Fusion Surgery (CPT C1821, 22102, 22103, 22210, 22212, 22214, 22216, 22220, 22222, 22224, 22226, 22532, 22533, 22534, 22548, 22551, 22552, 22554, 22556, 22558, 22585, 22590, 22595, 22600, 22610, 22612, 22614, 22630, 22632, 22633, 22634, 22830, 22840, 22841, 22842, 22843, 22844, 22845, 22846, 22847, 22848, 22849, 22853, 22854, 22859, 27278, 27279, 27280, 20930, 20931, 20936, 20937, 20938).

General reference compiled from public sources, last verified 2026-06-26. This is not a coverage determination or medical advice. Always confirm current requirements with AIM (out-of-state / Federal BCBS) before submitting.

Medical-necessity criteria AIM (out-of-state / Federal BCBS) generally applies

Prior authorization via Carelon. Lumbar fusion adjunct to decompression for stenosis requires anticipated instability (facet excision over 50% bilateral or over 75% unilateral, or pars resection) OR indirect anterior decompression OR adjacent/recurrent stenosis, PLUS neurogenic claudication/radicular pain with functional impairment, failure of at least 6 weeks conservative management, and stenosis on imaging within 12 months. Instability indication: degenerative spondylolisthesis with flexion/extension films showing fixed anterolisthesis at least 3 mm OR motion at least 3 mm, plus at least 6 weeks failed conservative care (surgeon interpretation of office flex-ext films required). Isolated axial low-back pain is excluded; discography is not used to establish necessity. Carelon Spine Surgery MSK03-1125.1-UC0126.

Diagnoses that commonly support medical necessity

ICD-10-CM diagnoses frequently associated with medical necessity for Spinal Fusion Surgery. Confirm the covered diagnosis list against the current AIM (out-of-state / Federal BCBS) policy.

M43.16Spondylolisthesis, lumbar regionM48.061Spinal stenosis, lumbar region without neurogenic claudicationM51.36Other intervertebral disc degeneration, lumbar region

How to submit

Sources & verification

  • BindingSource — Carelon Clinical Appropriateness Guidelines — Spine Surgery (MSK03-1125.1-UC0126) · effective 2026-01-01.View

Binding = the payer's own policy. Proxy = a public, evidence-based clinical guideline the payer mirrors. Portal-only = the binding criteria are confirmed in the administrator's portal. Always confirm against the payer for the member's specific plan. Last verified 2026-06-26.

Frequently asked questions

Does AIM (out-of-state / Federal BCBS) require prior authorization for Spinal Fusion Surgery?

Yes. AIM (out-of-state / Federal BCBS) generally requires prior authorization for Spinal Fusion Surgery (CPT C1821, 22102, 22103, 22210, 22212, 22214, 22216, 22220, 22222, 22224, 22226, 22532, 22533, 22534, 22548, 22551, 22552, 22554, 22556, 22558, 22585, 22590, 22595, 22600, 22610, 22612, 22614, 22630, 22632, 22633, 22634, 22830, 22840, 22841, 22842, 22843, 22844, 22845, 22846, 22847, 22848, 22849, 22853, 22854, 22859, 27278, 27279, 27280, 20930, 20931, 20936, 20937, 20938).

What does AIM (out-of-state / Federal BCBS) require to approve Spinal Fusion Surgery?

Prior authorization via Carelon. Lumbar fusion adjunct to decompression for stenosis requires anticipated instability (facet excision over 50% bilateral or over 75% unilateral, or pars resection) OR indirect anterior decompression OR adjacent/recurrent stenosis, PLUS neurogenic claudication/radicular pain with functional impairment, failure of at least 6 weeks conservative management, and stenosis… Always confirm against the current AIM (out-of-state / Federal BCBS) policy.

How long does a AIM (out-of-state / Federal BCBS) prior authorization take?

Turnaround varies by plan and submission method. Check the AIM (out-of-state / Federal BCBS) portal for current timeframes.

Submitting Spinal Fusion Surgery to AIM (out-of-state / Federal BCBS)?

Praxigen checks your clinical note against these criteria before you submit and drafts a policy-cited appeal if it is denied. You review and submit; nothing is sent automatically.

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Other AIM (out-of-state / Federal BCBS) prior authorization requirements

Anterior Cervical Discectomy and FusionArthroplasty (Joint Replacement)Arthroscopic Hip Surgery for Impingement Syndrome Including Labral RepairArtificial Intervertebral Disc Surgery (Cervical Spine)Artificial Intervertebral Disc Surgery (Lumbar Spine)Cervical, Lumbar and Thoracic Laminectomy and/or Laminotomy ProceduresDorsal Column (Lumbar) Neurostimulators: Trial or ImplantationKnee ArthroscopyKnee MeniscectomyPain Management ProceduresShoulder Arthroscopy Rotator Cuff RepairVertebroplasty/Kyphoplasty

Related guides

Why was my prior authorization denied? Top reasons and how to fix eachHow to write a prior authorization appeal that cites policy