C1823 Gen, neuro, trans sen/stim

Generator, neurostimulator (implantable), non-rechargeable, with transvenous sensing and stimulation leads

Medically Unlikely Edits (effective October 1, 2026)

Payer policies and prior authorization for C1823

23 of 24 payer prior-auth lists that name C1823 require prior authorization or set conditions: Blue Cross Blue Shield of Arizona (AZ Blue), Blue Shield of California Promise Health Plan, Humana, Molina Complete Care (Virginia), Molina Healthcare of Arizona, Molina Healthcare of California, Molina Healthcare of Florida, Molina Healthcare of Idaho, Molina Healthcare of Iowa, Molina Healthcare of Michigan, Molina Healthcare of Nevada, Molina Healthcare of New Mexico, Molina Healthcare of Ohio, Molina Healthcare of South Carolina, Molina Healthcare of Texas, Molina Healthcare of Utah, Molina Healthcare of Washington, Molina Healthcare of Wisconsin, Molina Healthcare, Inc. (national grid).

PayerPlanStatePrior authConditionsSinceSource
Blue Cross Blue Shield of Arizona (AZ Blue)AZ Blue-administered Medicare Advantage (M2K)AZprior auth requiredSep 1, 2026AZ Blue Medicare Advantage Prior Authorization Requirements Code List (Effective 09/01/2026)
Blue Cross Blue Shield of Arizona (AZ Blue)Standard PA code list (most commercial plans)AZprior auth requiredSep 1, 2026AZ Blue Standard Prior Authorization Requirements Code List (09/01/2026)
Blue Cross Blue Shield of Arizona (AZ Blue)State of Arizona employee group (SYD, S3Z)AZprior auth requiredSep 1, 2026State of Arizona Group Prior Authorization Requirements Code List (09/01/2026)
Blue Shield of California Promise Health PlanPromise Health Plan Medi-CalCAprior auth requiredSep 1, 2026Medi-Cal Prior Authorization List
HumanaHumana Healthy HorizonsKYprior auth requiredJan 1, 2027please visit Humana Healthy Horizons in Kentucky Clinical coverage policies.
Molina Complete Care (Virginia)Medicare-only PA matrix for D-SNPVAprior auth requiredJan 1, 2022Medicare Prior Auth (PA) Code Matrix (Virginia), effective Q1 2022
Molina Healthcare of ArizonaMedicare-only PA matrix for D-SNPAZprior auth requiredJan 1, 2022Medicare Prior Auth (PA) Code Matrix (Arizona), effective Q1 2022
Molina Healthcare of CaliforniaMedicare AdvantageCAprior auth requiredJul 1, 2021Medicare Prior Auth (PA) Code Matrix (California), effective Q3 2021
Molina Healthcare of FloridaMedicare AdvantageFLprior auth requiredApr 1, 2021Medicare Prior Auth (PA) Code Matrix (Florida), effective Q2 2021
Molina Healthcare of IdahoMedicare AdvantageIDprior auth requiredApr 1, 2021Medicare Prior Auth (PA) Code Matrix (Idaho), effective Q2 2021
Molina Healthcare of IowaMedicaidIAprior auth requiredJul 1, 2023IA Prior Authorization Matrix, effective Q3 2023
Molina Healthcare of MichiganExchangeMIprior auth requiredJul 1, 2021Molina Healthcare of Michigan PA Matrix, effective 7/1/2021
Molina Healthcare of NevadaMedicaidNVprior auth requiredOct 1, 2022Medicaid Prior Auth (PA) Code Matrix, effective Q4 2022
Molina Healthcare of New MexicoMedicare AdvantageNMprior auth requiredJan 1, 2021Medicare Prior Auth (PA) Code Matrix (New Mexico), effective Q1 2021
Molina Healthcare of OhioMedicaid and MyCare Ohio (MMP) MedicaidOHprior auth requiredOct 1, 2023Molina Healthcare of Ohio Prior Authorization (PA) Code List, effective 2023-10-01
Molina Healthcare of OhioMedicare and MyCare Ohio (MMP) MedicareOHprior auth requiredOct 1, 2023Molina Healthcare of Ohio Prior Authorization (PA) Code List, effective 2023-10-01
Molina Healthcare of OhioExchangeOHprior auth requiredOct 1, 2023Molina Healthcare of Ohio Prior Authorization (PA) Code List, effective 2023-10-01
Molina Healthcare of South CarolinaMedicare AdvantageSCprior auth requiredApr 1, 2021Medicare Prior Auth (PA) Code Matrix (South Carolina), effective Q2 2021
Molina Healthcare of TexasExchangeTXprior auth requiredPA Modernization - PA requirements will be removed where coveredJan 1, 2024Marketplace Prior Authorization (PA) Code Matrix (Texas), effective July 1, 2026
Molina Healthcare of UtahMedicare AdvantageUTprior auth requiredApr 1, 2021Medicare Prior Auth (PA) Code Matrix (Utah), effective Q2 2021
Molina Healthcare of WashingtonMedicare AdvantageWAprior auth requiredApr 1, 2021Medicare Prior Auth (PA) Code Matrix (Washington), effective Q2 2021
Molina Healthcare of WisconsinMedicare AdvantageWIprior auth requiredOct 1, 2021Medicare Prior Auth (PA) Code Matrix (Wisconsin), effective Q4 2021
Molina Healthcare, Inc. (national grid)Molina national (MHI) Medicare gridAllprior auth requiredOct 1, 2021Medicare Prior Auth (PA) Code Matrix (national), effective Q4 2021

Payer coverage policies that name C1823

C1823 appears in 7 coverage policies from Aetna, Anthem, Blue Cross Blue Shield of Massachusetts, Blue Shield of California, BlueCross BlueShield of South Carolina, Capital Blue Cross, Health Care Service Corporation (BCBS IL, TX, OK, NM, MT).

PayerPolicyRole in policyReviewedDocument
AetnaFunctional Electrical Stimulation and Neuromuscular Electrical Stimulation (0677)covered if criteria are metSep 10, 2026payer document
AnthemDiaphragmatic/Phrenic Nerve Stimulation and Diaphragm Pacing Systems (CG-MED-79)not coveredNov 6, 2025payer document
Blue Cross Blue Shield of MassachusettsPhrenic Nerve Stimulation for Central Sleep Apnea (955)unproven / investigationalpayer document
Blue Shield of CaliforniaPhrenic Nerve Stimulation for Central Sleep Apnea (2.02.33)listed, no stancepayer document
BlueCross BlueShield of South CarolinaPhrenic Nerve Stimulation for Central Sleep Apnea (CAM 20233)
93153(effective on 01/01/2024) | Interrogation without programming of phrenic nerve stimulator system
listed, no stanceJan 1, 2026payer document
Capital Blue CrossSurgical Treatment of Sleep Apnea and Snoring (MP 1.128)
Procedure codes
unproven / investigationalApr 1, 2026payer document
Health Care Service Corporation (BCBS IL, TX, OK, NM, MT)Phrenic Nerve Stimulation for Central Sleep Apnea (SUR701.042)
CPT Codes 33276, 33277, 33278, 33279, 33280, 33281, 33287, 33288, 93150,
listed, no stanceSep 15, 2026payer document

Recent prior-auth changes

  • Jan 1, 2026: PA removed, Molina Healthcare of Michigan
  • Feb 19, 2025: PA removed, Molina Healthcare of Texas
  • Feb 19, 2025: PA removed, Molina Healthcare of Texas
  • Jan 1, 2025: PA removed, Molina Healthcare of Texas
  • Jan 1, 2024: PA removed, Molina Healthcare of Michigan

Medicaid fee-for-service

Prior authorization required or conditional in IN.

  • KY: $0.00 (asc), effective Jan 1, 2026
  • ND: $0.00 (physician), effective Aug 1, 2026
  • VT: $0.00 (outpatient_hospital_opps), effective Feb 1, 2026
  • WY: $0.00 (outpatient_hospital_apc, Children's Hospitals), effective Apr 1, 2026

From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.