| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
AST
MessageChemistry
Test Code
LAB131
Alias/See Also
SGOT
CPT Codes
84450
Includes
AST
Preferred Specimen
Light green top tube (lithium heparin plasma)
Minimum Volume
Whole blood: 600 uL ( one full light-green-top microtainer or two full red-top microtainers).
Serum/plasma: 300 uL plasma
Serum/plasma: 300 uL plasma
Other Acceptable Specimens
Gold top (serum separator tube) or Red Top
Instructions
Hemolyzed specimens should not be used. Separate specimen within 3 days of collection.
Avoid agitation or mixing of plasma samples after centrifugation. Re-suspension of platelets into previously centrifuged
plasma may lead to artificially elevated AST results because of high AST activity in platelets
Avoid agitation or mixing of plasma samples after centrifugation. Re-suspension of platelets into previously centrifuged
plasma may lead to artificially elevated AST results because of high AST activity in platelets
Specimen Stability
Ambient: ≤ 3 days
Refrigerated: ≤ 7 days
Frozen: ≤ 3 months
Refrigerated: ≤ 7 days
Frozen: ≤ 3 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Reference Range
17-59 U/L (male)
14-36 U/L (female)
14-36 U/L (female)
Performing Laboratory
Hoag Newport/ Hoag Irvine
