B4100 – Food thickener, administered orally, per ounce
HCPCS Level II code · B codes: Enteral and Parenteral Therapy
HCPCS codeB4100
- Long description
- Food thickener, administered orally, per ounce
- Short description
- Food thickener oral
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
MNon-covered by Medicare- BETOS category
Z2Undefined codes- Added
- January 1, 2003
- Last change
- January 1, 2005 – No change
Frequently asked questions
What is HCPCS code B4100?
B4100 is a HCPCS Level II code for food thickener, administered orally, per ounce.
Does Medicare cover B4100?
The HCPCS file lists coverage code M: Non-covered by Medicare. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby B codes
- B4034 – Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4035 – Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4036 – Enteral feeding supply kit; gravity fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4081 – Nasogastric tubing with stylet
- B4082 – Nasogastric tubing without stylet
- B4083 – Stomach tube - levine type
- B4087 – Gastrostomy/jejunostomy tube, standard, any material, any type, each
- B4088 – Gastrostomy/jejunostomy tube, low-profile, any material, any type, each
- B4102 – Enteral formula, for adults, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
- B4103 – Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
- B4104 – Additive for enteral formula (e.g., fiber)
- B4105 – In-line cartridge containing digestive enzyme(s) for enteral feeding, each
- B4148 – Enteral feeding supply kit; elastomeric control fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4149 – Enteral formula, manufactured blenderized natural foods with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
- B4150 – Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
- B4152 – Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.