33858 CPT® code: payer coverage and prior authorization4 of 9 payer prior-auth lists that name 33858 require prior authorization or set conditions: Molina Healthcare of California, Molina Healthcare of Illinois, Molina Healthcare of Michigan.
| Payer | Plan | State | Prior auth | Conditions | Since | Source |
|---|---|---|---|---|---|---|
| Molina Healthcare of California | Medicaid | CA | prior auth required | Apr 1, 2026 | Medicaid Prior Auth (PA) Code Matrix (California), effective Q2 2026 | |
| Molina Healthcare of Illinois | Medicaid | IL | prior auth required | Jul 1, 2024 | Molina Healthcare of Illinois Codification Grid Q3 2026 | |
| Molina Healthcare of Michigan | Medicaid | MI | prior auth under conditions | adults via Evolent; no PA for pediatrics | Jul 1, 2026 | Molina Healthcare of Michigan PA Matrix 2026-Q3 |
| Molina Healthcare of Michigan | Medicare Advantage | MI | prior auth required | adults via Evolent | Jul 1, 2026 | Molina Healthcare of Michigan PA Matrix 2026-Q3 |
33858 appears in 17 coverage policies from Aetna.
| Payer | Policy | Role in policy | Reviewed | Document |
|---|---|---|---|---|
| Aetna | Anesthetic and Antiemetic Infusion Pumps (0607) | listed, no stance (range 33016-37799) | Sep 9, 2026 | payer document |
| Aetna | Bupivacaine Liposome (Exparel) (0941) | listed, no stance (range 33010-37799) | Jul 30, 2026 | payer document |
| Aetna | Cardiovascular Ultrafiltration (0741) | listed, no stance (range 33010-37790) | Oct 30, 2025 | payer document |
| Aetna | Cryoanalgesia and Therapeutic Cold (0297) | listed, no stance (range 33016-33999) | Apr 14, 2026 | payer document |
| Aetna | Endovascular Repair of Aortic Diseases (0651) | listed, no stance (range 33858-33877) | Sep 25, 2026 | payer document |
| Aetna | Extracorporeal Membrane Oxygenation (ECMO) (0546) | listed, no stance | Aug 27, 2026 | payer document |
| Aetna | Functional Electrical Stimulation and Neuromuscular Electrical Stimulation (0677) | listed, no stance (range 33016-33999) | Sep 10, 2026 | payer document |
| Aetna | Human Fibrinogen Concentrate Products (0792) | listed, no stance | Oct 5, 2026 | payer document |
| Aetna | Inpatient Admission Prior to Surgery (Preop Days) (0255) | listed, no stance (range 33016-33980) | May 13, 2026 | payer document |
| Aetna | Intraoperative Neurophysiological Monitoring (0697) | covered if criteria are met (range 33858-33864) | Jun 19, 2026 | payer document |
| Aetna | Intravenous Iron Therapy (0575) | listed, no stance (range 33016-33999) | Jul 1, 2026 | payer document |
| Aetna | Negative Pressure Wound Therapy (0334) | listed, no stance (range 33016-37799) | Jun 8, 2026 | payer document |
| Aetna | Nerve Blocks (0863) | listed, no stance (range 33016-33999) | Jul 23, 2026 | payer document |
| Aetna | Nitric Oxide, Inhalational (INO) (0518) | not covered (range 33016-37790) | Jul 2, 2026 | payer document |
| Aetna | Palivizumab (Synagis) (0318) | listed, no stance | Aug 21, 2026 | payer document |
| Aetna | Procalcitonin (PCT) (0771) | listed, no stance (range 33016-33997) | Nov 13, 2025 | payer document |
| Aetna | Stereolithographic Models and Implants (0613) | listed, no stance (range 33010-37790) | Sep 3, 2026 | payer document |
Prior authorization required or conditional in WY.
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.