What insurance policy changes affect CPT 43645?

There are 7 tracked policy changes affecting CPT 43645, including updates from Aetna, Independence Blue Cross, Sentara Health Plans. Each change may modify coverage criteria, reimbursement rates, or prior-authorization requirements.

Which payers have updated policy for CPT 43645?

Payers that have issued tracked updates for CPT 43645 include: Aetna, Independence Blue Cross, Sentara Health Plans, Humana.

How do I get notified when CPT 43645 policy changes?

Create a free account at PolicyChanges.app and save a search filtered to CPT 43645. You will receive a daily digest email whenever a new policy change references this code.

Why do payers change policies for CPT 43645?

Payers revise policies for individual billing codes to align with updated clinical guidelines, CMS rule changes, fraud and abuse prevention measures, or network cost-management goals. Changes can affect medical necessity criteria, place-of-service restrictions, bundling rules, or whether a code requires prior authorization.

43645 — A minimally invasive surgery where surgeons create a small pouch from the stomach and connect it directly to the small intestine, bypassing part of the digestive system.: Insurance Policy Changes

43645 Insurance Policy Changes

CPT 43645, in plain terms, covers A minimally invasive surgery where surgeons create a small pouch from the stomach and connect it directly to the small intestine, bypassing part of the digestive system. CPT 43645 is referenced in 7 tracked payer policy changes from Aetna, Independence Blue Cross, and 2 other payers. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for CPT 43645 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.

High impact

Headaches: Invasive Procedures (CPB 0707, reviewed 2026-10-15)

Aetna·Identified Oct 19, 2026

Aetna's Clinical Policy Bulletin 0707 (reviewed 2026-10-15) defines coverage for invasive headache procedures. Occipital nerve blocks are medically necessary for occipital neuralgia and migraines, but extensive surgical and interventional procedures—including nerve decompression, radiofrequency ablation, deep brain stimulation, and migraine trigger site surgery—are classified as experimental/investigational or not covered for most headache types. Billing teams must verify procedure medical necessity against this policy's specific headache diagnosis classifications before processing claims.

43645 Insurance Policy Changes

Headaches: Invasive Procedures (CPB 0707, reviewed 2026-07-23)

11.03.02x, Bariatric Surgery

11.03.02x, Bariatric Surgery

MA11.051c, Treatment of Obesity and Bariatric Surgery for Treatment of Morbid Obesity

Summer 2025 Authorization Updates

Headaches: Invasive Procedures (CPB 0707, reviewed 2026-10-15)

Bariatric Surgery - MEDICAID - LOUISIANA (Revised)