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PTT
Number 118
CPT Code
Alias PARTIAL THROMBOPLASTIN TIME (PTT)
Specimen Container Blue Top Citrate
Specimen Type Plasma Citrate
Turn Around Time 24-48 Hours
Days Performed Monday – Saturday
Reference Range
Alternate Specimen
Volume 1 mL Plasma
Stability Ambient 1 Day
Stability Refrigerated 1 Day
Stability Frozen 14 Days
Patient Preparation
Methodology
Clot formation/ photometric
Limitations
Rejection Criteria
Additional Instructions
Blue top tube must be filled completely
Performing Laboratory Primex
TagsPTT, THROMBOPLASTIN, TIME