J0636 HCPCS code: Injection, calcitriol, 0.1 mcg
J0636 is the HCPCS Level II code for injection, calcitriol, 0.1 mcg. In 2022 Medicare paid an average of $0.52 per service for J0636 across 1,022 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 100 per day on outpatient hospital claims. In 2022, about 15 clinicians billed Medicare for J0636 for 14 beneficiaries.
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 | 2003-01-01 |
| Last action effective | 2003-01-01 |
Who bills J0636 (2022)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 15 |
| Medicare beneficiaries | 14 |
| States with claims | 0 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J0636, 2022–2022
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 1,022 | 14 | $0.71 | $0.52 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 100 | Clinical: Data |
| practitioner claims | 100 | Clinical: Data |
What changed for J0636
- 2003-01-01: J0636 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 J0636?
J0636 is the HCPCS Level II code for injection, calcitriol, 0.1 mcg. Short descriptor: "Inj calcitriol per 0.1 mcg".
How much does Medicare pay for J0636?
In 2022, the average Medicare payment was $0.52 per service (average allowed $0.71).
Does Medicare cover J0636?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of J0636 can be billed per day?
100 on outpatient hospital claims; 100 on practitioner claims (NCCI medically unlikely edits).
Related J06 codes
- J0600 — Injection, edetate calcium disodium, up to 1000 mg
- J0601 — Sevelamer carbonate (renvela or therapeutically equivalent), oral, 20 mg (for esrd on dialysis)
- J0602 — Sevelamer carbonate (renvela or therapeutically equivalent), oral, powder, 20 mg (for esrd on dialysis)
- J0603 — Sevelamer hydrochloride (renagel or therapeutically equivalent), oral, 20 mg (for esrd on dialysis)
- J0604 — Cinacalcet, oral, 1 mg, (for esrd on dialysis)
- J0605 — Sucroferric oxyhydroxide, oral, 5 mg (for esrd on dialysis)
- J0606 — Injection, etelcalcetide, 0.1 mg
- J0607 — Lanthanum carbonate, oral, 5 mg (for esrd on dialysis)
- J0608 — Lanthanum carbonate, oral, powder, 5 mg, not therapeutically equivalent to j0607 (for esrd on dialysis)
- J0609 — Ferric citrate, oral, 3 mg ferric iron, (for esrd on dialysis)
- J0610 — Injection, calcium gluconate (fresenius kabi), per 10 ml
- J0611 — Injection, calcium gluconate (wg critical care), per 10 ml
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Next steps
- Run a reimbursement report for a device billed under J0636
- Watch J0636 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J0636
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.