Calcium, Ionized CAIO

Synonyms

Allscripts (AEHR) Order Name

Calcium, Ionized

Sunrise Clinical Manager (SCM) Order Name

Calcium, Ionized

EPIC Order Name

Ionized Calcium

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 Type

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

Result Interpretation

Reference Range: Hospital patients 1.15 – 1.33 mmol/L
           Outreach( to LabCorp) 4.5 – 5.6 mg/dL

Forms

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