Advanced Diagnostic Laboratories

Collect

Plain red top or SST tube.

Specimen Preparation

Onsite [NJH]: Transport to lab within 1 hour.
Offsite: Separate serum from cells within 2 hours by centrifuge and aliquot into a labeled polypropylene or similar plastic tube.
Preferred volume: 1 mL serum

Pediatric Collection

Minimum volume: 0.1 mL

Storage Transport Temp

Offsite: Frozen. Send serum Priority Overnight via FedEx and in a well insulated container on dry ice.

Stability

Stability after cell separation:
1 week @ RT (15-25°C)
1 week refrigerated at 2-8°C

Performed

Monday - Friday

Methodology

Ion Selective Electrode

Reported

4 hour routine, 1 hour STAT

Department

Core Lab

Synonyms

NA

Reference Interval

Newborn - 11 Months	131-145	131-145
1 Year - 4 Years	132-143	132-143
5 Years - 9 Years	135-143	135-143
10 years -15 years	133-143	133-143
16+ years	132-150	132-150

CPT Code

84295