Tests:Calcium, Plasma: Difference between revisions

Revision as of 08:17, 3 October 2025

Contents 1 Overview 2 Specimen Requirements 3 Aliquot Requirements 4 Clinical Information 5 Comments Overview
Department	Biochemistry
Test Code	PCCA
Synonyms	Ca Ca2+
Base Lab Availability	Monday - Sunday, testing routinely available out of hours
Hawera Lab Availability	Monday- Friday, 8am - 4 30pm
Turnaround Time	1 - 2 hours
Stability – Add test	8 hours
Specimen Requirements
Specimen	Plasma Serum
Preferred	7 mL Red-Top
Acceptable	5 mL Li-Hep Green-Top
Unacceptable
Specimen Transportation
Paediatric Requirements	600 µL Li-Hep Microtainer
Aliquot Requirements
Sample	Plasma Serum
Preferred Volume	100 µL
Minimum Volume
Aliquot Transportation
Clinical Information
Reference Intervals	2.2 - 2.6 mmol/L
Test Method	Abbott c8000 series analyser using Abbott reagents.
Advanced Notice	Not required
Patient Preparation	Not required
Comments
All Calcium requests will be reported with a corrected calcium value. Corrected Calcium = Calcium + 0.012*(39.9 - Albumin) Prolonged stasis during venepuncture and haemolysis will give false high values For baseline level, patient should be fasted for 12 hours and seated for 20 minutes prior to specimen collection.

@@ Line 18: / Line 18: @@
 Ca2+
 |-
-|Availability
+|Base Lab Availability
 |Monday - Sunday, testing routinely available out of hours
+|-
+|Hawera Lab Availability
+|Monday- Friday, 8am - 4 30pm
 |-
 |Turnaround Time
@@ Line 72: / Line 75: @@
 |-
 |Test Method
-|Abbott c8000 series analyser using Abbott  reagents.
+|Abbott c8000 series analyser using Abbott reagents.
 |-
 |Advanced Notice