B4100 Food thickener oralFood thickener, administered orally, per ounce
26 of 26 payer prior-auth lists that name B4100 require prior authorization or set conditions: Blue Shield of California, Molina Complete Care (Virginia), Molina Healthcare of Iowa, Passport by Molina Healthcare (Kentucky), UnitedHealthcare Community Plan.
B4100 appears in 18 coverage policies from Aetna, Anthem, Blue Cross Blue Shield of Massachusetts, Premera Blue Cross, Regence, UnitedHealthcare.
| Payer | Policy | Role in policy | Reviewed | Document |
|---|---|---|---|---|
| Aetna | Nutritional Support (0061) | not covered | Jan 15, 2026 | payer document |
| Aetna | Pediatric Intensive Feeding Programs (0809) | listed, no stance (range B4034-B4162) | Dec 11, 2025 | payer document |
| Anthem | Home Enteral Nutrition (CG-MED-08) | covered if criteria are met | Aug 13, 2026 | payer document |
| Blue Cross Blue Shield of Massachusetts | Special Foods (304) | listed, no stance | payer document | |
| Premera Blue Cross | Home Nutritional Support | listed, no stance | May 1, 2026 | payer document |
| Regence | Enteral and Oral Nutrition Therapy in the Home Setting (Allied Health 05) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (MP.027.14) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (CS136.R) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for Idaho Only) (CS136ID.D) | listed, no stance | Jul 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for Kansas Only) (CS136KS.03) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for Kentucky Only) (CS136KY.13) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for Nebraska Only) (CS136NE.O) | listed, no stance | Jun 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for New Jersey Only) (CS136NJ.P) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for New Mexico Only) (CS136NM.D) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for North Carolina Only) (CSNC.MP.104.06) | listed, no stance | Sep 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for Ohio Only) (CS136OH.F) | listed, no stance | Jun 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for Pennsylvania Only) (CS136PA.R) | listed, no stance | Aug 1, 2026 | payer document |
| UnitedHealthcare | Enteral Nutrition (Oral and Tube Feeding) (for Tennessee Only) (CS136TN.P) | listed, no stance | Jun 1, 2026 | payer document |
Prior authorization required or conditional in CO, IL, IN, KY, LA, MA, ND, NY, VT, WA.
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.