J1812 — Insulin (fiasp), per 5 units
J1812 is a HCPCS Level II code for insulin (fiasp), per 5 units. It belongs to the Drugs Administered Other Than Oral Method section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusE
Excluded from the physician fee schedule by regulation. Payment, where it exists, comes from another fee schedule (drugs via ASP, supplies via DMEPOS, and so on).
Global period: XXX
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The CMS record for J1812
- Long descriptor
- Insulin (fiasp), per 5 units
- Short descriptor
- Inj. insulin (fiasp)
- Added
- July 1, 2023
- BETOS
- O1E
- Pricing indicator
- 51 — Other
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Drugs.
Codes adjacent to J1812
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If J1812 is not quite right, the correct code is very often within a few positions of it.
- J1800Injection, propranolol hcl, up to 1 mg
- J1805Injection, esmolol hydrochloride, 10 mg
- J1806Injection, esmolol hydrochloride (wg critical care), not therapeutically equivalent to j1805, 10 mg
- J1807Injection, ethacrynate sodium, 1 mg
- J1808Injection, folic acid, 0.1 mg
- J1809Injection, fosdenopterin, 0.1 mg
- J1810Injection, droperidol and fentanyl citrate, up to 2 ml ampuleterminated
- J1811Insulin (fiasp) for administration through dme (i.e., insulin pump) per 50 units
- J1813Insulin (lyumjev) for administration through dme (i.e., insulin pump) per 50 units
- J1814Insulin (lyumjev), per 5 units
- J1815Injection, insulin, per 5 units
- J1817Insulin for administration through dme (i.e., insulin pump) per 50 units
- J1823Injection, inebilizumab-cdon, 1 mg
- J1826Injection, interferon beta-1a, 30 mcg
- J1830Injection, interferon beta-1b, 0.25 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
- J1833Injection, isavuconazonium, 1 mg
Questions about J1812
What is HCPCS code J1812?
J1812 is a HCPCS Level II code for insulin (fiasp), per 5 units. It sits in the Drugs Administered Other Than Oral Method section.
Does Medicare cover J1812?
The CMS HCPCS file marks J1812 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is J1812 paid under the physician fee schedule?
J1812 carries PFS status code E. Excluded from the physician fee schedule by regulation. Payment, where it exists, comes from another fee schedule (drugs via ASP, supplies via DMEPOS, and so on).