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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
TACROLIMUS LEVEL |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3130 Geisinger Epic ID: 21539 | |
SPECIMEN COLLECTION |
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Specimen type: |
Whole blood | |
Preferred collection container: |
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Specimen required: |
1 mL whole blood; minimum 0.5 mL. | |
Special notes: |
Separate collection tube preferred. Collect 12 hours post oral dose. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Do not centrifuge. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Refrigerated: 7 days. | |
Rejection criteria: |
Specimen other than EDTA whole blood. Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
4-12 ng/mL Therapeutic ranges vary with type of transplant, time post-transplant, clinical protocols and testing methodology. Results should be interpreted with clinical presentation and any signs of rejection/toxicity. |
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Critical values/courtesy alerts: |
15.0 ng/mL and above. | |
CPT code(s): |
80197 | |
| 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: |
FK506 | |
Methodology: |
Electrochemiluminescence Immunoassay |
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Synonyms: |
Tacrolimus Prograf FK506, FK506G
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Clinical significance: |
Tacrolimus is an immunosuppressive drug used to prevent rejection following transplant. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/29/2022 | |