Please call Clinical Labs of Hawaii at 808.677.7998 (Option 1) with questions about this test.
Synonyms
PTT
Activated Partial Thromboplastin Time
Specimen Preparation
1.0 mL (0.5 mL minimum) Plasma Sodium Citrate (Lt. Blue top). The minimum draw is 90% of the usual fill. 2.7 mL tube: 2.43 mL minimum 1.8 mL tube: 1.62 mL minimum
Stability (from collection to initiation)
Room temperature: 4 hours Freeze (plasma) if not tested within 4 hours
Unacceptable Conditions
Clotted, hemolyzed or short draws
Storage/Transport Temperature
Frozen (Plasma)
Reported
Performed: Sun-Sat Reported: 1-2 days
Methodology
Clot detection
Test Site
Clinical Labs of Hawaii
Reference Interval
25-36 sec
CPT Codes
85730
LOINC
14979-9
Specimen Preparation
1.0 mL (0.5 mL minimum) Plasma Sodium Citrate (Lt. Blue top). The minimum draw is 90% of the usual fill. 2.7 mL tube: 2.43 mL minimum 1.8 mL tube: 1.62 mL minimum
Storage/Transport Temperature
Frozen (Plasma)
Stability (from collection to initiation)
Room temperature: 4 hours Freeze (plasma) if not tested within 4 hours
Unacceptable Conditions
Clotted, hemolyzed or short draws
LOINC
14979-9
Synonyms
PTT
Activated Partial Thromboplastin Time
CPT Codes
85730
Test Code
PTT
Ordering Code
0420
Reported
Performed: Sun-Sat Reported: 1-2 days
Methodology
Clot detection
Reference Interval
25-36 sec
Test Site
Clinical Labs of Hawaii
Summary
Test Code
PTT
Ordering Code
0420
Questions?
Please call Clinical Labs of Hawaii at 808.677.7998 (Option 1) with questions about this test.
Synonyms
PTT
Activated Partial Thromboplastin Time
Specimen Preparation
1.0 mL (0.5 mL minimum) Plasma Sodium Citrate (Lt. Blue top). The minimum draw is 90% of the usual fill. 2.7 mL tube: 2.43 mL minimum 1.8 mL tube: 1.62 mL minimum
Stability (from collection to initiation)
Room temperature: 4 hours Freeze (plasma) if not tested within 4 hours
Unacceptable Conditions
Clotted, hemolyzed or short draws
Storage/Transport Temperature
Frozen (Plasma)
Reported
Performed: Sun-Sat Reported: 1-2 days
Methodology
Clot detection
Test Site
Clinical Labs of Hawaii
Reference Interval
25-36 sec
CPT Codes
85730
LOINC
14979-9
Collection
Specimen Preparation
1.0 mL (0.5 mL minimum) Plasma Sodium Citrate (Lt. Blue top). The minimum draw is 90% of the usual fill. 2.7 mL tube: 2.43 mL minimum 1.8 mL tube: 1.62 mL minimum
Storage/Transport Temperature
Frozen (Plasma)
Stability (from collection to initiation)
Room temperature: 4 hours Freeze (plasma) if not tested within 4 hours
