Spinal tap cost in St. Louis, MO — inpatient
In St. Louis, MO-IL, 9 hospitals list a cash price for spinal tap (lumbar puncture), diagnostic as an inpatient: from $127.50 to $2,169.20, with a median of $748.08. The lowest listed price is at Mercy Hospitals East Communities and 1 other hospital — $620.58 less than the median here. Across Missouri, the median is $340.57 at 26 hospitals.
Cash prices at 9 facilities across 9 cities for code 62270, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 16, 2026 and Jun 12, 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 St. Louis, MO-IL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Mercy Hospitals East Communities lowest Washington, MO Diagnostic Lumbar Spinal Puncture | $127.50 | $170.00 | $68.00–$144.50 | 25% | Jun 12, 2026 source file |
| Mercy Hospital Lincoln lowest Elsberry, MO Diagnostic Lumbar Spinal Puncture | $127.50 | $170.00 | $68.00–$153.00 | 25% | Jun 12, 2026 source file |
| Mercy Hospital Lincoln lowest Elsberry, MO Diagnostic Lumbar Spinal Puncture | $127.50 | $170.00 | $68.00–$153.00 | 25% | Jun 12, 2026 source file |
| Mercy Hospital Lincoln lowest Elsberry, MO Diagnostic Lumbar Spinal Puncture | $127.50 | $170.00 | $68.00–$153.00 | 25% | Jun 12, 2026 source file |
| Mercy Hospital Lincoln lowest Elsberry, MO Diagnostic Lumbar Spinal Puncture | $127.50 | $170.00 | $68.00–$153.00 | 25% | Jun 12, 2026 source file |
| Mercy Hospital Lincoln lowest Elsberry, MO Diagnostic Lumbar Spinal Puncture | $127.50 | $170.00 | $68.00–$153.00 | 25% | Jun 12, 2026 source file |
| Mercy Rehabilitation Hospital St. Louis Chesterfield, MO LUMBAR PUNCTURE DIAGNOSTIC | $489.84 | $489.84 | $489.84 | — | Mar 16, 2026 source file |
| St Josephs Hospital Hospital Sisters Third Order of St Francis Breese, IL · (618) 526-4511 HC LUMBAR PUNCTURE | $708.48 | $984.00 | $275.52–$1,891.09 | 28% | — source file |
| St Josephs Hospital of the Hospital Sisters of the Third Order of St Francis Highland, IL · (618) 651-2600 DX LMBR SPI PNXR | $748.08 | $1,039.00 | $207.80–$1,614.42 | 28% | — source file |
| Gateway Regional Medical Center Granite City, IL · (618) 798-3000 S-SPINAL TAP DIAGNST | $850.52 | $1,417.54 | $1,417.54 | 40% | — source file |
| Hshs Holy Family Hospital Greenville, IL · (618) 664-1230 HC LUMBAR PUNCTURE | $1,395.36 | $1,938.00 | $542.64–$1,938.00 | 28% | — source file |
| St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis O'Fallon, IL HC LUMBAR PUNCTURE | $1,789.92 | $2,486.00 | $662.13–$2,486.00 | 28% | — source file |
| Mercy Rehabilitation Hospital South Louis, MO LUMBAR PUNCTURE DIAGNOSTIC | $2,169.20 | $2,169.20 | $2,169.20 | — | Mar 16, 2026 source file |
Inpatient: lowest $127.50, median $748.08, highest $2,169.20 — a 17.0× difference within the same market.
As an outpatient, the same code is billed by 13 facilities here, median $708.48 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 7 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
A spinal tap removes a small amount of spinal fluid from the lower back with a needle. It is used for meningitis, bleeding and some neurological diseases.
What the price covers
The price usually covers the procedure. The lab tests on the fluid are billed separately.