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Geisinger Medical Laboratories Test Catalog
TESTOSTERONE, TOTAL |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3139 Geisinger Epic ID: 37177 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum or plasma | |
Preferred collection container: |
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Specimen required: |
2 mL of serum or plasma; minimum 0.5 mL | |
Special notes: |
Due to circadian variations of testosterone particularly in young males, an early morning specimen is preferred for men. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection. | |
Transport temperature: |
Refrigerated (preferred) or frozen. | |
Specimen stability: |
Refrigerated: 7 days. Frozen: 6 months. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
Males: 18-49 yrs 249-836 ng/dL >49 years 193-740 ng/dL Females: >18 years 2.9-48 ng/dL |
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CPT code(s): |
84403 | |
| 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: |
Testosterone Total. | |
Methodology: |
Electrochemiluminescence |
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Synonyms: |
TESTOS
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Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |