Vitamin B12 test cost in Seattle, WA
In Seattle-Tacoma-Bellevue, WA, 14 hospitals list a cash price for Vitamin B12 (cobalamin) blood test: from $12.59 to $121.60, with a median of $77.88. The lowest listed price is at Overlake Medical Center & Clinics — $65.29 less than the median here. Across Washington, the median is $98.61 at 32 hospitals.
Cash prices at 14 facilities across 13 cities for code 82607, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Feb 28, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Seattle-Tacoma-Bellevue, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Overlake Medical Center & Clinics lowest Bellevue, WA Hc Vitamin B12-Lc | $12.59 | $25.18 | — | 50% | Apr 1, 2026 source file |
| Virginia Mason Medical Center Seattle, WA CYANOCOBALAMIN VIT B12 SER | $58.14 | $114.00 | $68.40–$91.20 | 49% | — source file |
| Overlake Medical Center & Clinics Bellevue, WA Hc Vitamin B-12 | $59.00 | $118.00 | — | 50% | Apr 1, 2026 source file |
| Saint Clare Hospital Lakewood, WA HC VITAMIN B12 | $65.58 | $227.51 | $15.08–$170.64 | 71% | Feb 28, 2026 source file |
| Franciscan Health System Gig Harbor, WA HC VITAMIN B12 | $69.20 | $227.51 | $15.08–$170.64 | 70% | Feb 28, 2026 source file |
| Highline Medical Center Burien, WA HC VITAMIN B12 | $69.48 | $227.51 | $15.08–$204.76 | 69% | Feb 28, 2026 source file |
| St Francis Community Hospital Federal Way, WA HC VITAMIN B12 | $71.40 | $227.51 | $15.08–$170.64 | 69% | Feb 28, 2026 source file |
| Franciscan Health System Tacoma, WA HC VITAMIN B12 | $75.36 | $227.51 | $15.08–$170.64 | 67% | Feb 28, 2026 source file |
| Enumclaw Regional Hospital Association Enumclaw, WA HC VITAMIN B12 | $80.40 | $227.51 | $15.08–$204.76 | 65% | Feb 28, 2026 source file |
| Swedish Health Services Seattle, WA HC VITAMIN-B12 | $108.96 | $227.00 | — | 52% | Apr 1, 2026 source file |
| Swedish Health Services Issaquah, WA HC VITAMIN-B12 | $108.96 | $227.00 | — | 52% | Apr 1, 2026 source file |
| Swedish Health Services Seattle, WA HC VITAMIN-B12 | $108.96 | $227.00 | — | 52% | Apr 1, 2026 source file |
| Swedish Edmonds Edmonds, WA HC VITAMIN-B12 | $108.96 | $227.00 | — | 52% | Apr 1, 2026 source file |
| Kaiser Permanente Central Hospital E Seattle, WA CYANOCOBALAMIN (VITAMIN B-12) | $113.60 | $142.00 | $11.00–$41.00 | 20% | Apr 1, 2026 source file |
| Providence Health And Services - Washington Everett, WA HC VITAMIN-B12 | $118.04 | $227.00 | — | 48% | Apr 1, 2026 source file |
| Public Hospital Dist No 1 Skagit dba Cascade Valley Hospital Arlington, WA HC VITAMIN B12 | $121.60 | $152.00 | $12.92–$136.80 | 20% | — source file |
Outpatient: lowest $12.59, median $77.88, highest $121.60 — a 9.7× difference within the same market.
As an inpatient, the same code is billed by 14 facilities here, median $77.88. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 8 of 9 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.