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General Information

Specimen Collection Guide

Order of Specimen Collection

Stat Testing

RRH Labs Critical Value List

Anatomic Pathology:

Aspiration Biopsy

Cytopathology

Surgical Pathology

Clinical Pathology:

Clifton Springs Hospital

Elmgrove Laboratory

Newark-Wayne Hospital

RGH Laboratory

RGH Lab at Linden Oaks

UMMC Hospital

Unity Hospital

RRH Lab Directors Approval

 

Mayo Clinic Laboratories

Test Code WBK Potassium, Whole Blood

Specimen Volume

3.0 mL

Preferred Specimen

Green No gel(GNG)

Specimen Handling Instructions

Heparinized syringe also acceptable. If unable to deliver to lab within 1 hour of collection, centrifuge and separate plasma to be analyzed as plasma K. Collect at RGH POS only. Abnormal platelet diagnosis required for approval.

Transport

Routine courier pick-up

Cutoff Time

None

Department

Chemistry

Methodology

Ion selective electrode

Stat Turn-around Time

30 Minutes

Routine Turn-around Time

1 Day

Reference Ranges

See Report