A9546 Medicaid reimbursement rates by state
Cobalt co-57/58, cyanocobalamin, diagnostic, per study dose. 8 state Medicaid programs publish a fee-for-service rate for A9546 at the physician psychologist level. Rates run from $0.00 in California to $249.98 in New Mexico, with a median of $3.46.
Data as of 2026-10-05. Every rate links to the official document it came from.
- States publishing
- 8
- Median rate
- $3.46units vary by state
- Highest
- $249.98New Mexico
- Medicare (non-facility)
- —not on the physician fee schedule
A9546 rate in every state
One like-for-like fee-for-service rate per state, highest first. Units can differ between states; the per-hour column converts time-based units.
| State | Medicaid rate | Unit | Per hour | Managed-care plans | % of Medicare | Source |
|---|---|---|---|---|---|---|
| New MexicoAny qualified provider (rate does not vary by provider) · New Mexico Medicaid (fee-for-service, HCA Medical Assistance Division) | $249.98⚠ over 3× mediansince 2025-01-01 | — | — | Plans must pay at least this | — | New Mexico Medicaid Fee for Service HCPC |
| MarylandAny qualified provider (rate does not vary by provider) · Maryland Medicaid (fee-for-service, MDH) | $235.83⚠ over 3× mediansince 2026-01-01 | — | — | Not classified | — | Maryland Medicaid Professional Services |
| IndianaAny qualified provider (rate does not vary by provider) · Indiana Medicaid (fee-for-service) | $90.00since 2017-11-10 | percent of billed charges | — | Plans must pay at least this | — | IHCP Professional Fee Schedule (Last Upd |
| NevadaPhysician or licensed psychologist (incl. BCBA-D) · Nevada Medicaid (fee-for-service provider-type reimbursement schedules) | $5.64⚠ over 3× mediansince 2024-01-01 | — | — | Plans must pay at least this | — | Provider Type 20 Physician, MD., Osteopa |
| ArizonaAny qualified provider (rate does not vary by provider) · Arizona AHCCCS fee-for-service (AIHP, Tribal ALTCS, TRBHA and other FFS members) | $1.28since 2020-10-01 | — | — | Plans negotiate; applies out of network | — | AHCCCS Arizona Health Care Cost Containm |
| South DakotaAny qualified provider (rate does not vary by provider) · South Dakota Medicaid (fee-for-service, DSS Division of Medical Services) | $1.24since 2026-07-01 | — | — | Not classified | — | South Dakota Medicaid Drugs and Biologic |
| OregonAny qualified provider (rate does not vary by provider) · Oregon Health Plan (fee-for-service, OHA) | $1.03since 2024-01-01 | — | — | Plans negotiate; applies out of network | — | OHP FFS medical-dental fee schedule (fee |
| CaliforniaAny qualified provider (rate does not vary by provider) · California Medi-Cal (fee-for-service) | $0.00since 2023-01-01 | — | — | Plans negotiate; applies out of network | — | Medi Cal Physician Administered Drug Rat |
Rates marked ⚠ are more than three times the median for the same unit; they are published as shown but often reflect an office (non-facility) fee or a different scope of service. Rates are per the unit shown for each state; units can differ between states. Medicare amounts are computed from the CMS relative value file and locality cost indices with the CMS formula; states with several Medicare localities show a range. Confirm rates with the payer before billing.
Frequently asked questions
What does Medicaid pay for A9546?
It depends on the state. Of the 8 states with a published fee-for-service rate, the median is $3.46. New Mexico pays the most ($249.98) and California the least ($0.00).
Which state pays the highest Medicaid rate for A9546?
New Mexico, at $249.98, effective 2025-01-01.
Do managed-care plans pay the same rate for A9546?
Not necessarily. Each state's plan contracts decide whether plans must pay at least the fee-for-service rate, pay a state-set rate, or negotiate their own. The table shows the rule for each state, cited to the contract or statute.