Magnesium test cost in Waco, TX
In Waco, TX, 2 hospitals list a cash price for magnesium blood test: from $15.53 to $48.42, with a median of $31.98. The lowest listed price is at Baylor Scott & White Medical Center - Hillcrest — $16.45 less than the median here. Across Texas, the median is $22.05 at 101 hospitals.
Cash prices at 2 facilities for code 83735, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Jun 13, 2026 and Jun 13, 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 Waco, TX.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Baylor Scott & White Medical Center - Hillcrest lowest Waco, TX · (254) 202-2000 HC REF ARUP, MAGNESIUM URINE 0020477 | $15.53 | $25.88 | $5.63–$42.28 | 40% | Jun 13, 2026 source file |
| Baylor Scott & White Medical Center - Hillcrest Waco, TX · (254) 202-2000 HC REF MAYO, COMP MAGRU, CPT 83735 | $22.62 | $37.70 | $5.63–$42.28 | 40% | Jun 13, 2026 source file |
| Baylor Scott & White Medical Center - Hillcrest Waco, TX · (254) 202-2000 HC REF MAYO MAGU MAGNESIUM, 24 HR, U | $40.11 | $66.85 | $5.63–$50.14 | 40% | Jun 13, 2026 source file |
| Ascension Providence Waco, TX · (254) 751-4000 MAGNESIUM URINE | $48.42 | $134.50 | $5.63–$29.55 | 64% | — source file |
| Ascension Providence Waco, TX · (254) 751-4000 MAGNESIUM URINE | $48.42 | $134.50 | $5.63–$29.55 | 64% | — source file |
| Ascension Providence Waco, TX · (254) 751-4000 MAGNESIUM | $54.63 | $151.75 | $5.63–$29.55 | 64% | — source file |
| Ascension Providence Waco, TX · (254) 751-4000 MAGNESIUM | $57.33 | $159.25 | $5.63–$29.55 | 64% | — source file |
| Baylor Scott & White Medical Center - Hillcrest Waco, TX · (254) 202-2000 HC MAGNESIUM, RBC | $94.90 | $158.17 | $5.63–$118.63 | 40% | Jun 13, 2026 source file |
| Baylor Scott & White Medical Center - Hillcrest Waco, TX · (254) 202-2000 HC MAGNESIUM | $94.90 | $158.17 | $5.63–$118.63 | 40% | Jun 13, 2026 source file |
| Baylor Scott & White Medical Center - Hillcrest Waco, TX · (254) 202-2000 HC MAGNESIUM - URORISK | $94.90 | $158.17 | $5.63–$118.63 | 40% | Jun 13, 2026 source file |
Outpatient: lowest $15.53, median $31.98, highest $48.42 — a 3.1× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $31.98. 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 1 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it 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 magnesium test measures the level of magnesium in the blood. Doctors order it for muscle cramps or weakness, an irregular heartbeat, low potassium or calcium that does not correct, and for people on diuretics, long-term acid-reducing drugs or with kidney disease.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.