Vitamin B12 test cost in Napa, CA — inpatient
In Napa, CA, 1 hospital lists a cash price for Vitamin B12 (cobalamin) blood test as an inpatient: from $40.88 to $40.88, with a median of $40.88. Across California, the median is $79.28 at 101 hospitals.
Cash prices at 1 facility for code 82607, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| St Joseph Health Northern California LLC Napa, CA HC VITAMIN-B12 | $40.88 | $80.15 | — | 49% | Apr 1, 2026 source file |
Inpatient: lowest $40.88, median $40.88, highest $40.88.
As an outpatient, the same code is billed by 1 facility here, median $40.88 — that is the price to compare if you are not being admitted.
What it is
This blood test measures the level of vitamin B12, which the body needs for red blood cells and nerves. It is ordered to look into anemia, numbness or tingling, memory problems, or conditions and medicines that lower B12 absorption.
What the price covers
The price usually covers the B12 test only. The blood draw is often billed separately, and folate (82746) or follow-up tests are separate codes.