USC Clinical Reference Laboratory

CALCIUM, IONIZED, SERUM

METHODOLOGY

Ion Selective Electrode

PERFORMED

Mon-Fri

REPORTED

Same day

COLLECT

One 6 mL SST

TRANSPORT

2 mL serum, frozen (Min: 1 ml)

STABILITY

Ambient - 24 hours
Refrigerated - 1 week
Frozen - 6 months

UNACCEPTABLE CONDITIONS

N/A

REMARKS

N/A

REFERENCE RANGE

Ionized Calcium at pH 7.4: 4.6 - 5.4 mg/dL

INTERPRETIVE DATA

N/A

CPT CODE(S)

82330

BILLING INFORMATION

ICD-9 (Dx) CODE INFORMATION

DATE UPDATED

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