Inpatient and Outpatient Orderable

Ionized Calcium Build info

Synonyms

  • CALCIUM, IONIZED
  • CA++
  • CALCIUM, IONIZED
  • FREE CALCIUM
  • LAB54

Short Name

CALCIUM IONI

Procedure Master Number

LAB54

Procedure ID

756

Clinical Info

Evaluate nonbound calcium, calcium metabolism, physiologically active calcium fraction, hyperparathyroidism, ectopic hyperparathyroidism. Occasionally useful when hypercalcemia coexists with abnormal protein state such as myeloma. Useful in assessing active calcium fraction in hypoproteinemia and acidosis when calcium is low.

Specimen Sources

 Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

 Blood

Container

Outreach: Gold Top Tube ( must be full)
Hospital Labs: Lithium Heparin (Mint Green) or 
Heparinized Syringe

Collection Instructions

Hospital Labs: Lithium Heparin (Mint Green) or Heparinized Syringe
Specimen Volume: 1-3 mL's
Outreach: Container/Tube: Gold Top Tube Tube( must be full)
Specimen:1 mL serum - Send primary dedicated tube( No test add on accepted, unless unopened tube is available)
Transport Temperature: Refrigerated
Stability: 14 Days Refrigerated
Collection: Draw 1.75 mL of blood in a 3.5 mL serum gel tube or draw blood in a serum gel MICROTAINER®, completely filling the tube.) Allow blood to clot for 30 minutes. Centrifuge with stopper in place for 10 minutes at 3,000 rpm to ensure that gel barrier separates serum and cells. Keep specimen anaerobic (do not transfer) and send refrigerated in serum gel tube/MICROTAINER®. Specimen cannot be frozen.

Transport Instructions

Refrigerated

Specimen Stability

Hospital Labs: 1-3 mL Lithium Heparin (Mint Green) or Heparinized Syringe
Outreach:14 Days Refrigerated
Collection: Draw 1.75 mL of blood in a 3.5 mL serum gel tube or draw blood in a serum gel MICROTAINER®, completely filling the tube.) Allow blood to clot for 30 minutes. Centrifuge with stopper in place for 10 minutes at 3,000 rpm to

Methodology

Ion-Selective Electrode (ISE)

Days Performed

Monday through Sunday

Performing Laboratory

Northwell Health Laboratories - Manhasset,
LabCorp- Outreach clients

CPT

82330
LOINC Code: 17864-0

PDM

 5300400

Only Orderable at Locations:

 Orderable Everywhere

Results
Component Name Base Name Common Name External Name
CALCIUM, IONIZED IONCAL IONIZED CALCIUM Calcium, Ionized