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Chemistry

Chemistry, Compliance & Safety, Education & Training, General Information, Referral/Sendouts

Preservative For 24 Hour Urine Collections

In both the inpatient and outpatient settings, the laboratory has supplied 24 hour urine containers with preservative such as acetic acid, sodium hydroxide, and boric acid.  Upon review of specimen stability requirements, it has been determined that a preservative is not needed prior to collection of most 24 hour urine tests as long as the 24 hour container is kept refrigerated or on ice during the collection period. Continue Reading

Chemistry, Compliance & Safety, General Information

Reference Range Update – OB Magnesium, Blood Level

Effective immediately, the OB Magnesium (Mg) reference range has been updated from 1.6 to 2.5 mg/dL to 4.8 to 8.0 mg/dL, to reflect the correct therapeutic range for patients receiving magnesium sulfate therapy. The non-OB magnesium reference range is unchanged.

Please direct questions and inquiries to Dr. Jennifer Stumph via the Contact Us link above.

TEST INFORMATION

OB Magnesium, Blood LevelEpic code #LAB3400, Interface code #11703, CPT code #83735

Chemistry, General Information

Reference Range Update: Microalbumin AMR

Spectrum Health Regional Laboratory is adjusting the Microalbumin Analytic Measurement Range (AMR) in order to standardize within the Spectrum Health Hospital System and to align with our vendor’s (Roche Diagnostics) recommendations. The lower limit of the Microalbumin AMR will be changed from 0.50 to 1.20 mg/dL. Results below the AMR will now be reported as < 1.20 mg/dL. The upper limit will remain the same at 444.00 mg/dL. Continue Reading

Chemistry, General Information, Referral/Sendouts

Test Discontinuation: Red Cell Magnesium

Effective January 1, 2019, Spectrum Health Regional Laboratory will no longer offer Magnesium, Red Blood Cell [LAB104] as an option for send out testing.  This testing will no longer be available through Spectrum Health’s primary reference laboratory, Mayo Clinic Laboratories.  This test will become obsolete on January 7, 2019, due to limited clinical utility. Continue Reading