Spinal tap (lumbar puncture) cost in San Francisco, CA

Prices at 5 hospitals in San Francisco, CA, from their machine-readable files. Here the median cash price is $2,519 — 202% above the US median ($835), roughly 15.3× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Kaiser Foundation Hospital-San Francisco San Francisco, CA $2,066 $879 ★ 4/5 14.7%
UCSF Health Saint Francis Hospital San Francisco, CA $2,077 $1,017 ★ 3/5 140 min 14.7%
California Pacific Medical Center-Van Ness Campus San Francisco, CA $2,961 $1,020 ★ 3/5 184 min 15.0%
California Pacific Medical Ctr-Davies Campus Hosp San Francisco, CA $3,056 $1,020 ★ 3/5 162 min 15.2%

CMS rating = overall hospital star rating (1–5); ER wait = median minutes in the emergency department; Readmit = 30-day readmission rate (lower is better) — all from Medicare’s Care Compare; “—” = not reported. Data last updated June 2026. Prices from hospitals’ machine-readable files (45 CFR §180); Medicare benchmark from CMS PFS/CLFS/IPPS. Prices below 15% of the median are excluded as likely partial or mis-coded charges. Estimates — confirm with the hospital. Report an incorrect price.

Price comparison (median)

Chargemaster (list price)
$3,009
Cash / self-pay
$2,519
Insurer-negotiated
$1,020
Medicare pays
$165
$2,070$3,028
Median cash $2,519  ·  Medicare $165  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $2,519 — about 15.3× the Medicare rate ($165). High vs Medicare. A fair cash price is usually within ~2× Medicare ($330).

💡 Asking for the cash price instead of the $3,009 list price could save about $490 (16%).

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Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.

All Spinal tap (lumbar puncture) prices in California → · All Spinal tap (lumbar puncture) prices (national) · All hospitals in San Francisco