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Calcium, Ionized, Serum

Calcium, Ionized, Serum

Alternate Test Name

Ionized Calcium; Calcium Ionized Blood Level

Epic Mnemonic
Sunquest Mnemonic

LAB54
IOCA

Category

Sendouts

Methodology

Electrochemical Ion Selective Biosensor

Test Performance Schedule

Daily

Result Availability

1 – 2 days

Specimen Required

Container

Gold top (SST) tube

Volume

Pref. Vol.: 5.0 mL serum
Min. Vol.: 1.0 mL serum

NOTE: Tube cannot be shared with another test

Collection Instructions

• Routine venipuncture
• Immediately after collection, gently invert tube 5-10 times
• Clot 30 minutes
• Promptly centrifuge 15 minutes
• Do not open tube
• Refrigerate

Transportation Instructions

Refrigerated

Stability

After separation from cells:
• Room temperature: 8 hours
• Refrigerated: 48 hours
• Frozen: Acceptable for longer storage

Causes for Rejection

• Specimen has been opened, exposed to air
• Specimen not refrigerated
• Specimen shared for other testing

Remarks

 

CPT Codes

82330

Effective/Revised

8/28/2019

Clinical Significance

Lorum Ipsum Opsom

 

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