B9998 HCPCS code: Noc for enteral supplies
B9998 is the HCPCS Level II code for noc for enteral supplies. In 2022 Medicare paid an average of $3.52 per service for B9998 across 945 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. In 2022, 19 suppliers billed Medicare for B9998 (purchases), serving 25 beneficiaries.
Code details
| Field | Value |
|---|---|
| Section | B codes — Enteral and parenteral therapy |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 57 |
| BETOS category | O1C — Enteral and parenteral nutrition |
| Added | 1985-01-01 |
| Last action effective | 1996-01-01 |
Who bills B9998 (2022)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 19 |
| Referring clinicians | 25 |
| Medicare beneficiaries | 25 |
| States with claims | 1 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for B9998, 2022–2022
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 945 | 25 | $4.44 | $3.52 |
States with the most B9998 services (2022)
| State | Services | Avg. paid |
|---|---|---|
| Texas | 20 | $64.03 |
Medicare policy articles for this code
- A58833: Enteral Nutrition - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (21 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| E08.69 | Diabetes mellitus due to underlying condition with other specified complication | 1 |
| E09.69 | Drug or chemical induced diabetes mellitus with other specified complication | 1 |
| E10.69 | Type 1 diabetes mellitus with other specified complication | 1 |
| E11.69 | Type 2 diabetes mellitus with other specified complication | 1 |
| E13.69 | Other specified diabetes mellitus with other specified complication | 1 |
| E84.19 | Cystic fibrosis with other intestinal manifestations | 1 |
| E84.8 | Cystic fibrosis with other manifestations | 1 |
| E84.9 | Cystic fibrosis, unspecified | 1 |
| K50.018 | Crohn's disease of small intestine with other complication | 1 |
| K50.118 | Crohn's disease of large intestine with other complication | 1 |
Showing 10 of 21. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for B9998
- 1985-01-01: B9998 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code B9998?
B9998 is the HCPCS Level II code for noc for enteral supplies. Short descriptor: "Enteral supp not otherwise c".
How much does Medicare pay for B9998?
In 2022, the average Medicare payment was $3.52 per service (average allowed $4.44).
Does Medicare cover B9998?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Which diagnoses support coverage for B9998?
Medicare policy articles that cite B9998 list 21 covered ICD-10-CM diagnosis codes across 1 article. The most cited include E08.69 (Diabetes mellitus due to underlying condition with other specified complication), E09.69 (Drug or chemical induced diabetes mellitus with other specified complication), E10.69 (Type 1 diabetes mellitus with other specified complication). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Related B99 codes
- B9999 — Noc for parenteral supplies
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under B9998
- Watch B9998 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for B9998
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.