Calcium, Ionized, PRISMA


Abbrev Code:ICAP   
Order Code:LAB3097Order Name:Calcium Ionized, Whole Blood Prisma
Synonyms:Prisma/Prismaflex Ionized Calcium; Circuit Ionized Calcium
Methodology:Selective electrode
CPT Codes: 82330 x1
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.5 mL (3 mL syringe); 0.2 mL (tuberculin syringe); 0.1 (capillary tube)
Container:Dry heparin syringe
Alternate Containers: Capillary (lithium heparin) gas tube, Green (lithium heparin) on ICE
Collection Instructions:Specimens should be free of air bubbles. If collecting in green (heparin) tube, do not remove stopper.
Causes for Rejection:Whole blood specimen not received in laboratory within 4 hours of collection.


Processing and Shipping

Specimen Processing:Whole blood. Do not process. Do not store. Maintain anaerobically and analyze within 4 hours. If specimen has been exposed to air, analyze within 1 hour if pH is 7.35-7.45; otherwise recollect.
Stability:Whole blood samples are stable for 30 minutes at room temperature, or 60 minutes on ice if maintained anaerobically.
Test Performed at or Referral Lab Chemistry  (Southdale, UMMC East Bank, UMMC West Satellite, UMMC/UMMCH-West Bank)


Interpretive

Critical Range:0-11 mo: Less than 3.5 mg/dL and greater than 7.0 mg/dL; 1 y & older: Less than 3.0 mg/dL and greater than 7.0 mg/dL
Reference Range:0-11 mo: 5.1-6.3 mg/dL; 1 year and older: 4.4-5.2 mg/dL
Conversion Factor: Ionized Calcium (mg/dL) x 0.2495 = Ionized Calcium (mmol/L)
Use:Monitor the circuit ionized calcium of patients anticoagulated with citrate.


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