B4103 HCPCS Level II code: Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
B4103 is the HCPCS code for “Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
B4103Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
Short description: Ef ped fluid and electrolyte
HCPCS · United States
Medicare details
The indicators CMS publishes with B4103 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- DMEPOS fee schedule – Carrier priced (e.g., not otherwise classified, individual determination, carrier discretion, gap-filled amounts)
- Type of service
- Enteral/parenteral nutrients/supplies
- BETOS category
- Enteral and parenteral
- Added
- Jan 1, 2005
Where B4103 sits
- 1B codesEnteral and parenteral therapy
- 2Active code B4103Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
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 B4103 mean?
B4103 is the HCPCS code for “Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover B4103?
CMS lists B4103’s Medicare coverage as “Special coverage instructions apply” and its pricing as “DMEPOS fee schedule – Carrier priced (e.g., not otherwise classified, individual determination, carrier discretion, gap-filled amounts)”. 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 B4103
All B codesB4082Nasogastric tubing without styletB4083Stomach tube - levine typeB4087Gastrostomy/jejunostomy tube, standard, any material, any type, eachB4088Gastrostomy/jejunostomy tube, low-profile, any material, any type, eachB4100Food thickener, administered orally, per ounceB4102Enteral formula, for adults, 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…B4150Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral…B4152Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and…