The following information was updated in the Lab Catalog.

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Test Updates

The links below will redirect to the lab catalog entries for specimen collection and other test information.

Collection Instruction Change: Check that you are using the correct collection device for the correct specimen type or source

• Vitamin K1 (Blood) – Now collected in Lavender Top EDTA tube (or Pink Top EDTA) Reminder:
  • Protect from light after collection (wrap in paper towel or tinfoil)
  • Keep specimen on wet ice until it arrives to the lab
  • Patient fasting required AND avoid vitamins at least 24 hours before collection
• KRAS Mutation Analysis – Added new specimen type: Body Fluid
• Chlamydia and Gonococcus Testing (Alinity m Multi-Collect) – Oropharyngeal and Rectal swab specimens are acceptable testing sources using the Alinity m Multi-Collect testing kit [ITM-1190747]
• DEXA Dexamethasone Serum to Mayo New test added with new order code. Please review for clinical information and possible updated collection instructions.

Re-routed: Testing is no longer performed at the Local Regional Hospital Lab and has been rerouted and will be performed in Spectrum Health Reference Lab (“SHRL”) Grand Rapids, MI.

• Urea Urine Test: Both Urea Nitrogen Random Urine and Urea Nitrogen 24-hour Urine: No longer performed in Pennock Lab
• Vitamin D: No longer performed in Gerber, Ludington, Big Rapids and Reed City
• Giardia/Cryptosporidium Screen: No longer performed in Ludington lab
• GGT Level No longer performed at Pennock, Ludington or United (Greenville)

Document Updates: 

• Mandatory Reflex Testing V.23
• Referral Guide (collection information for tests that are not performed by Spectrum Health but instead referred to an outside laboratory)