ALT
| Abbrev Code: | ALT | ||
| Order Code: | LAB132 | Order Name: | ALT |
| Synonyms: | Alanine Aminotransferase | ||
| Methodology: | All Other Sites: Bichromatic rate
Roche: IFCC with pyridoxal phasphate activation Woodwinds: NADH |
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| CPT Codes: | 84460 x1, 84460 x1 | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2.5 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Collection Instructions: | Chemistry Tests Containers Chart |
| Causes for Rejection: | Excessive lipemia |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot within 2 hours of collection 1.25 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Roche: 7 days refrigerated; >7 days if frozen at -60 to -80 C
Vista: 7 days refrigerated; 1 month frozen. |
| Test Performed at or Referral Lab | Chemistry (CSC Maple Grove, Roche-CSC Mpls, Roche-Grand Itasca, Roche-Lakes, Roche-Northland, Roche-Range, Roche-Ridges, Roche-Southdale, Roche-St. John's, Roche-UMMC East, Roche-UMMC West, Woodwinds) |
Interpretive
| Critical Range: | Hepatic Panel Critical Values and Reference Ranges |
| Reference Range: | Hepatic Panel Critical Values and Reference Ranges |
| Use: | Evaluation of suspected hepatic disease. |
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