AST

Additional Codes

Aspartate Aminotransferase

eD-H Order Code

LAB131

Specimen Collection Information

Specimen	Minimum Test Volume	Container	Special Handling
Blood	0.1 ML

Specimen Transport Temperature

Refrigerated

Reference Ranges / Critical Values

Assay	Gender	Age Range	Normal Range	Critical Values	Units
AST	Male	0 Minutes – 6 Days	30 -120		unit/L
		6 Days – 4 Years	17 -50		unit/L
		4 Years – 12 Years	10 -50		unit/L
		12 Years – 20 Years	10 -40		unit/L
		20 Years – 150 Years	0 -39		unit/L
	Female	0 Minutes – 6 Days	30 -120		unit/L
		6 Days – 4 Years	17 -50		unit/L
		4 Years – 12 Years	10 -40		unit/L
		12 Years – 20 Years	5 -30		unit/L
		20 Years – 150 Years	0 -30		unit/L

Specimen Stability

Chemistry Blood and Urine Analyte Stability Chart

Day(s) Performed

Monday through Sunday; continuously

CPT(s)

84450

Performing Lab Section

Chemistry