Hospitals report these codes with terse, inconsistent chargemaster text. This plain-English title was written by an AI model from that text and has not been reviewed by a person, so it can be wrong. The prices on this page come straight from hospital filings and do not depend on it.
Original text from hospital filings
RL-A-CSF ELECT 50590B
Merced, CA
See all hospitals reporting CPT 84166 →Price type
Dignity Health’s median price of $10 is 66% below the median hospital's median price ($29), higher than 1% of the 2,562 hospitals reporting CPT 84166. The highlighted bar is where this hospital falls; shaded is the middle 50% of hospitals.
Negotiated rates from the hospital’s own file: 10 payers, 34 plan rates. A facility fee, a professional fee, a per diem and a case rate are different bills, so each is listed on its own. Open a payer to see it across hospitals.
Filter by billing methodology
Filter by billing class
| # | |||||||
|---|---|---|---|---|---|---|---|
| 1 | Blue Cross Blue Shield commercial|exchange fee schedule · outpatient | $4 | $4 | $1 | 26% | — | $3 – $5 |
| 2 | Blue Cross Blue Shield commercial|all other plans fee schedule · outpatient | $5 | $5 | $1 | 26% | — | $4 – $7 |
| 3 | Cigna commercial|all other plans fee schedule · inpatient | $9 | $9 | $2 | 26% | — | $6 – $11 |
| 4 | Cigna commercial|all other plans fee schedule · outpatient | $9 | $9 | $2 | 26% | — | $6 – $11 |
| 5 | Cigna commercial|ppo fee schedule · inpatient | $9 | $9 | $2 | 26% | — | $6 – $11 |
| 6 | Cigna commercial|ppo fee schedule · outpatient | $9 | $9 | $2 | 26% | — | $6 – $11 |
| 7 | Anthem commercial|exchange fee schedule · outpatient | $9 | $9 | $2 | 26% | — | $7 – $11 |
| 8 | Kaiser commercial|all plans fee schedule · inpatient | $9 | $9 | $2 | 26% | — | $7 – $12 |
| 9 | Kaiser commercial|all plans fee schedule · outpatient | $9 | $9 | $2 | 26% | — | $7 – $12 |
| 10 | First Health commercial|all plans fee schedule · inpatient | $11 | $11 | $3 | 26% | — | $8 – $13 |
| 11 | First Health commercial|all plans fee schedule · outpatient | $11 | $11 | $3 | 26% | — | $8 – $13 |
| 12 | Anthem commercial|all other plans fee schedule · outpatient | $12 | $12 | $3 | 26% | 2–20 | $9 – $15 |
| 13 | MultiPlan commercial|all plans fee schedule · inpatient | $12 | $12 | $3 | 26% | — | $9 – $16 |
| 14 | MultiPlan commercial|all plans fee schedule · outpatient | $12 | $12 | $3 | 26% | — | $9 – $16 |
| 15 | Kaiser medicaid|< 21 fee schedule · outpatient | $13 | $13 | $3 | 23% | — | $10 – $16 |
| 16 | Kaiser medicaid|> 21 fee schedule · outpatient | $13 | $13 | $3 | 23% | — | $10 – $16 |
| 17 | Molina medicaid|< 21 fee schedule · outpatient | $13 | $13 | $3 | 23% | — | $10 – $16 |
| 18 | Molina medicaid|> 21 fee schedule · outpatient | $13 | $13 | $3 | 23% | — | $10 – $16 |
| 19 | Aetna commercial|all other plans fee schedule · outpatient | $13 | $13 | $3 | 26% | — | $10 – $17 |
| 20 | Aetna commercial|hmo fee schedule · outpatient | $13 | $13 | $3 | 26% | — | $10 – $17 |
| 21 | Aetna commercial|ppo fee schedule · outpatient | $13 | $13 | $3 | 26% | — | $10 – $17 |
| 22 | Aetna medicare|all plans fee schedule · outpatient | $13 | $13 | $3 | 26% | — | $10 – $17 |
| 23 | Anthem commercial|mcs fee schedule · outpatient | $13 | $13 | $3 | 26% | — | $10 – $17 |
| 24 | Anthem medicaid|< 21 fee schedule · outpatient | $13 | $13 | $3 | 26% | — | $10 – $17 |
| 25 | Anthem medicaid|> 21 fee schedule · outpatient | $13 | $13 | $3 | 26% | — | $10 – $17 |
Last updated: Feb 28, 2026
See Protein electrophoresis, urine or spinal fluid pricing across every hospital in the network reporting it, or ask Claude or any MCP client directly — see how to connect.