Sign in →

Test Code CA Calcium, Plasma/Serum/Urine

Performing Laboratory

North Ottawa Community Hospital

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Specimen Type: Plasma

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

Specimen Volume: 1 mL

Collection Instruction: 

1. Label specimen as plasma.

2. Avoid hemolysis and lipemia.

 

Acceptable:

Specimen Type: Serum

Container/Tube: Serum gel or red top

Specimen Volume: 1 mL

Collection Instruction: 

1. Label specimen as serum.

2. Avoid hemolysis and lipemia.

 

Specimen Type: Urine

Container/Tube: Plain, screw-top container

Specimen Volume: Entire collection

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

 

Reference Values

8.5-10.1 mg/dL

Critical values (automatic call-back): <6.0 mg/dL or  >13.0 mg/dL

Day(s) Test Set Up

Monday through Sunday

Methodology

Colorimetric

Specimen Transport Temperature

Ambient

Test Classification and CPT Coding

82310

Specimen Storage and Stability

Specimen Type Temperature Time
Serum/Plasma/Urine Room Temp < 4 hours
  Refrigerated (primary) <22 days
  Frozen <1 year