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Geisinger Medical Laboratories Test Catalog
ELECTROLYTES, 24 HOUR URINE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2210 Geisinger Epic ID: 14936 | |
SPECIMEN COLLECTION |
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Specimen type: |
24-hour urine | |
Preferred collection container: |
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Specimen required: |
5 mL aliquot of urine; minimum 1 mL. | |
Special notes: |
Urine with preservatives is not acceptable. Mix well. Estimate total collection volume from 24-hour urine container. Remove required aliquot. Record total volume on both aliquot tube and request slip (if applicable). | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature/refrigerated: 7 days. | |
Rejection criteria: |
Urine containing preservatives is not acceptable. | |
TEST DETAILS |
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Reference interval: |
Urine sodium: 40-220 mmol/24 hours Urine potassium: 25-120 mmol/24 hours Urine chloride: 110-250 mmol/24 hours |
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CPT code(s): |
84300, 84133, 82436 | |
| 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. | ||
Test includes: |
Sodium - 24-hour urine, potassium - 24-hour urine, chloride - 24-hour urine, 24-hour total volume. | |
Methodology: |
Potentiometric |
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Synonyms: |
Lytes, 24-hour; Electrolytes, 24-hour urine, ELEC24
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Clinical significance: |
See individual member listings. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |