B4100 HCPCS Level II code: Food thickener, administered orally, per ounce
B4100 is the HCPCS code for “Food thickener, administered orally, per ounce” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
B4100Food thickener, administered orally, per ounce
Short description: Food thickener oral
HCPCS · United States
Medicare details
The indicators CMS publishes with B4100 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Non-covered by Medicare
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Enteral/parenteral nutrients/supplies
- BETOS category
- Undefined codes
- Added
- Jan 1, 2003
Where B4100 sits
- 1B codesEnteral and parenteral therapy
- 2Active code B4100Food thickener, administered orally, per ounce
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code B4100 mean?
B4100 is the HCPCS code for “Food thickener, administered orally, per ounce” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover B4100?
CMS lists B4100’s Medicare coverage as “Non-covered by Medicare” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside B4100
All B codesB4036Enteral feeding supply kit; gravity fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tapeB4081Nasogastric tubing with styletB4082Nasogastric tubing without styletB4083Stomach tube - levine typeB4087Gastrostomy/jejunostomy tube, standard, any material, any type, eachB4088Gastrostomy/jejunostomy tube, low-profile, any material, any type, eachB4102Enteral formula, for adults, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unitB4103Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unitB4104Additive for enteral formula (e.g., fiber)B4105In-line cartridge containing digestive enzyme(s) for enteral feeding, eachB4148Enteral feeding supply kit; elastomeric control fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tapeB4149Enteral formula, manufactured blenderized natural foods with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered…