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Geisinger Medical Laboratories Test Catalog
CAFFEINE LEVEL |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1913 Geisinger Epic ID: 43551 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum | |
Preferred collection container: |
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Specimen required: |
1 mL of serum; minimum 0.2 mL. | |
Special notes: |
None. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow serum to clot. Centrifuge to separate serum within 2 hours of collection. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Stable 7 days refrigerated. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Interpretation guide: |
Therapeutic range: 8-20 ug/mL. | |
Critical values/courtesy alerts: |
Toxic range > 50 ug/mL. | |
CPT code(s): |
80155 | |
| 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: |
Enzyme Immunoassay (EIA) |
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Synonyms: |
CAFF
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Clinical significance: |
Small premature infants with mild respiratory distress shortly after birth may be treated with theophylline or caffeine. In neonates, a significant amount of theophylline is metabolized to caffeine. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/29/2022 | |