J1100 HCPCS code: Injection, dexamethasone sodium phosphate, 1 mg
J1100 is the HCPCS Level II code for injection, dexamethasone sodium phosphate, 1 mg. In 2024 Medicare paid an average of $0.09 per service for J1100 across 16,659,629 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 120 per day on outpatient hospital claims. Medicare volume fell 2% from 2022 to 2024 (17,008,803 to 16,659,629 services). In 2024, about 64,351 clinicians billed Medicare for J1100 for 1,013,380 beneficiaries; Texas, Florida, California accounted for 29% of services.
Code details
| Field | Value |
|---|---|
| Section | J codes — Drugs administered other than oral method |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1E — Other drugs |
| Added | 1982-01-01 |
| Last action effective | 2001-01-01 |
Who bills J1100 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 64,351 |
| Medicare beneficiaries | 1,013,380 |
| States with claims | 59 |
| Share of services in top 3 states (Texas, Florida, California) | 29% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J1100, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 17,008,803 | 1,004,983 | $0.12 | $0.09 |
| 2023 | 16,926,978 | 1,025,091 | $0.12 | $0.09 |
| 2024 | 16,659,629 | 1,013,380 | $0.11 | $0.09 |
States with the most J1100 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Texas | 1,870,300 | $0.08 |
| Florida | 1,790,480 | $0.09 |
| California | 1,154,658 | $0.09 |
| Tennessee | 768,996 | $0.08 |
| Georgia | 734,351 | $0.08 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 120 | Clinical: Data |
| practitioner claims | 120 | Clinical: Data |
What changed for J1100
- 1982-01-01: J1100 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 J1100?
J1100 is the HCPCS Level II code for injection, dexamethasone sodium phosphate, 1 mg. Short descriptor: "Dexamethasone sodium phos".
How much does Medicare pay for J1100?
In 2024, the average Medicare payment was $0.09 per service (average allowed $0.11).
Does Medicare cover J1100?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of J1100 can be billed per day?
120 on outpatient hospital claims; 120 on practitioner claims (NCCI medically unlikely edits).
Related J11 codes
- J1105 — Dexmedetomidine, oral, 1 mcg
- J1110 — Injection, dihydroergotamine mesylate, per 1 mg
- J1120 — Injection, acetazolamide sodium, up to 500 mg
- J1130 — Injection, diclofenac sodium, 0.5 mg
- J1160 — Injection, digoxin, up to 0.5 mg
- J1162 — Injection, digoxin immune fab (ovine), per vial
- J1163 — Injection, diltiazem hydrochloride, 0.5 mg
- J1165 — Injection, phenytoin sodium, per 50 mg
- J1170 — Injection, hydromorphone, up to 4 mg
- J1171 — Injection, hydromorphone, 0.1 mg
- J1180 — Injection, dyphylline, up to 500 mg
- J1190 — Injection, dexrazoxane hydrochloride, per 250 mg
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Next steps
- Run a reimbursement report for a device billed under J1100
- Watch J1100 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J1100
Sources: CMS HCPCS Level II release October 2025; 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.