Sign in →

Test Code SQ ZPICN, EPIC LAB5417 Calcium, Ionized, Plasma, CRRT



Performing Laboratory

Meriter Laboratories

Specimen Requirements

NOTE: This is a "Post Filter" specimen to be drawn off of a port located on the dialysis instrument, directly after the filter.


Submit only 1 of the following specimens:



Specimen Type: Whole blood

Container/Tube: Dark-green top (lithium heparin-no gel)

Specimen Volume: 4 mL

Collection Instructions: Keep specimen anaerobic (do not open tube).



Specimen Type: Whole blood; gel tube

Container/Tube: Light-green top (lithium heparin gel)

Specimen Volume: 4 mL

Collection Instructions:

1. Centrifuge as soon as possible with stopper in place.

2. Keep specimen anaerobic (do not open tube).

Additional Information: Centrifuged specimen is stable up to 2 hours, unopened @ 4°- 8° C


Specimen Type: Whole blood

Container/Tube: Lithium heparin blood gas syringe

Specimen Volume: 1 mL

Collection Instructions: Place syringe in wet ice immediately after draw.

Specimen Transport Temperature


Syringe-On wet ice

Reference Values

>10 years: 0.80-1.40 mg/dL

Reporting Title


Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding