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Geisinger Medical Laboratories Test Catalog
IONIZED CALCIUM, CITRATED SPECIMEN (CRRT USE ONLY) |
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Geisinger Epic Procedure Code: LAB2551
Geisinger Epic ID: 23549
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SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Specimen required: |
Capped, spun 3.5 mL gold-top tube serum separator tube; minimum 1 mL> | |
Special notes: |
Only for continuous renal replacement therapy (CRRT) patients. Draw post filter. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow to clot. Centrifuge at 1100-2000 x g for 10 minutes at room temperature. Specimen must be spun within 3 hours of collection. Do not uncap or aliquot. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Unopened, centrifuged SST tube, stable 3 days refrigerated. Unspun and unopened in SST tube stable 3 hours at room temperature or refrigerated. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
0.25 - 0.50 mmol/L. | |
CPT code(s): |
82330 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Methodology: |
Potentiometric |
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Synonyms: |
CITCAI, POST FILTER IONIZED CALCIUM
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Clinical significance: |
Used to monitor the citrate anticoagulant used during continuous renal replacement therapy (CRRT). Measures the bioavailable calcium present. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |
Performing Locations
Geisinger Wyoming Valley Medical Center