A9559 Medicaid reimbursement rates by state
Cobalt co-57 cyanocobalamin, oral, diagnostic. 9 state Medicaid programs publish a fee-for-service rate for A9559 at the physician psychologist level. Rates run from $0.00 in Arkansas to $334.06 in Wisconsin, with a median of $88.97.
Data as of 2026-10-05. Every rate links to the official document it came from.
- States publishing
- 9
- Median rate
- $88.97units vary by state
- Highest
- $334.06Wisconsin
- Medicare (non-facility)
- —not on the physician fee schedule
A9559 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 |
|---|---|---|---|---|---|---|
| WisconsinAny qualified provider (rate does not vary by provider) · Wisconsin Medicaid and BadgerCare Plus (fee-for-service, ForwardHealth maximum allowable fees) | $334.06⚠ over 3× mediansince 2008-07-01 | — | — | Plans negotiate; applies out of network | — | ForwardHealth max fee schedule: Medical- |
| CaliforniaAny qualified provider (rate does not vary by provider) · California Medi-Cal (fee-for-service) | $129.94since 2026-10-01 | — | — | Plans negotiate; applies out of network | — | Medi-Cal Rates (Rates files zip: rates_d |
| New MexicoAny qualified provider (rate does not vary by provider) · New Mexico Medicaid (fee-for-service, HCA Medical Assistance Division) | $93.91since 2025-01-01 | — | — | Plans must pay at least this | — | New Mexico Medicaid Fee for Service HCPC |
| ArizonaAny qualified provider (rate does not vary by provider) · Arizona AHCCCS fee-for-service (AIHP, Tribal ALTCS, TRBHA and other FFS members) | $89.36since 2020-10-01 | — | — | Plans negotiate; applies out of network | — | AHCCCS Arizona Health Care Cost Containm |
| WashingtonAny qualified provider (rate does not vary by provider) · Washington Apple Health (Medicaid) fee-for-service | $88.97since 2022-07-01 | — | — | Plans negotiate; applies out of network | — | HCA Physician-related services fee sched |
| MarylandAny qualified provider (rate does not vary by provider) · Maryland Medicaid (fee-for-service, MDH) | $88.59since 2026-01-01 | — | — | Not classified | — | Maryland Medicaid Professional Services |
| OregonAny qualified provider (rate does not vary by provider) · Oregon Health Plan (fee-for-service, OHA) | $71.18since 2024-01-01 | — | — | Plans negotiate; applies out of network | — | OHP FFS medical-dental fee schedule (fee |
| NevadaPhysician or licensed psychologist (incl. BCBA-D) · Nevada Medicaid (fee-for-service provider-type reimbursement schedules) | $4.79since 2024-01-01 | — | — | Plans must pay at least this | — | Provider Type 20 Physician, MD., Osteopa |
| ArkansasPhysician or licensed psychologist (incl. BCBA-D) · Arkansas Medicaid (fee-for-service) | $0.00since 2025-06-13 | — | — | Not classified | — | Arkansas Medicaid Physician / CRNA / Fam |
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 A9559?
It depends on the state. Of the 9 states with a published fee-for-service rate, the median is $88.97. Wisconsin pays the most ($334.06) and Arkansas the least ($0.00).
Which state pays the highest Medicaid rate for A9559?
Wisconsin, at $334.06, effective 2008-07-01.
Do managed-care plans pay the same rate for A9559?
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.