FACTOR XI, ACTIVITY

Test Name

FACTOR XI, ACTIVITY

Aliases

PLASMA THROMBOPLASTIC ANTECEDENT

Abbreviations

FXI, factor 11

Department

HEMATOLOGY

Test Classification

INDIVIDUAL

Sub Department

COAGULATION

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

20

TAT Units

DAYS

Test Requirements

FROZEN, DOUBLE CENTRIFUGED 2mL CITRATED PLASMA required. Collect whole blood in citrate tube(s) i.e. light blue cap vacutainer filled up to the mark, centrifuge, separate plasma, centrifuge plasma, separate & FREEZE supernatant. For instructions/ further guidance on how to prepare platelet poor plasma, please visit this YouTube video: https://www.youtube.com/watch?v=9z6c8Bgr2EY SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Frozen ANALYTE STABILITY Room Temperature: N/A │ Frozen: 3 months at -20°C

Clinical Utility

Hemophilia C assessment

Last Review

26th Feb 2026

FACTOR IX, ACTIVITY

Test Name

FACTOR IX, ACTIVITY

Aliases

CHRISTMAS FACTOR

Abbreviations

FIX, factor 9

Test Classification

INDIVIDUAL

Department

HEMATOLOGY

Sub Department

COAGULATION

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

15

TAT Units

DAYS

Test Requirements

FROZEN, DOUBLE CENTRIFUGED 2mL CITRATED PLASMA required. Collect whole blood in citrate tube(s) i.e. light blue cap vacutainer filled up to the mark, centrifuge, separate plasma, centrifuge plasma, separate & freeze supernatant. For instructions/ further guidance on how to prepare platelet poor plasma, please visit this YouTube video: https://www.youtube.com/watch?v=9z6c8Bgr2EY SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Frozen ANALYTE STABILITY Room Temperature: N/A │Frozen: 1 month at -20°C

Clinical Utility

Hemophilia B assessment

Last Review

26th Feb 2026

PROTEIN S, ANTIGEN

Test Name

PROTEIN S, ANTIGEN

Aliases

-

Abbreviations

-

Test Classification

INDIVIDUAL

Department

HEMATOLOGY

Sub Department

COAGULATION

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

12

TAT Units

DAYS

Test Requirements

If doctor's order does not specify between antigen vs activity, select protein s ACTIVITY as the default test (test code H0177). FROZEN, DOUBLE CENTRIFUGED TWO 2mL CITRATED PLASMA aliquots required. Collect whole blood in citrate tube(s) i.e. light blue cap vacutainer filled up to the mark, centrifuge, separate plasma, centrifuge plasma, separate & FREEZE supernatant. For instructions/ further guidance on how to prepare platelet poor plasma, please visit this YouTube video: https://www.youtube.com/watch?v=9z6c8Bgr2EYSHIPPING TRANSPORTATION REQUIREMENTS Shipping Temperature: Frozen ANALYTE STABILITY Frozen: 3 months at -20°C

Clinical Utility

Thrombosis and thrombosis risk assessment. Diagnose hereditary or acquired protein S deficiency.

Last Review

26th Feb 2026

PLATELET COUNT

PLATELET COUNT

Place Holder

Aliases

THROMBOCYTES, THROMBOCYTE COUNT

Abbreviations

-

Test Classification

INDIVIDUAL

Department

HEMATOLOGY

Sub Department

GENERAL

TAT Category

BUSINESS (WORKING) TIME

3

Place Holder

TAT Units

HOURS

Test Requirements

EDTA (purple top) vacutainer

Clinical Utility

Multiple e.g. assessment of thrombocytopenia, thrombocytosis, bleeding diathesis etc.

Last Review

26th Feb 2026

HEMATOCRIT/ PCV

Test Name

HEMATOCRIT/ PCV

Aliases

PACKED CELL VOLUME, HAEMATOCRIT

Abbreviations

PCV, HCT

Test Classification

INDIVIDUAL

Department

HEMATOLOGY

Sub Department

GENERAL

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

3

TAT Units

HOURS

Test Requirements

EDTA (purple top) vacutainer

Clinical Utility

Evaluation of anemia or polycythemia

Last Review

26th Feb 2026