Protein S

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Testing Laboratory

Counties Manukau | Middlemore Hospital

Department

Refer to Testing Lab link

Delphic Registration Code (Alpha Code)

NCOA

Test Code (Numeric Code)

1787

Laboratory Handling

Phlebotomy

Protein S Must be Pre-approved by on-call Haematologist.

Registration

Register for NCOA only. Give copy of form, barcode and specimen(s) to Haematology. Do not register any other Coag test. If an SST tube is supplied for Cardiolipin - Put this in NSH Biochem freezer as per usual - but DO NOT REGISTER.

Separating

Please separate the specimen and send minimum 1.0 ml platelet poor plasma to LabPlus frozen.

Laboratory

Haematology will register/add any test once the on-call haematologist has aprroved.

Sample Stability

4 hours at room temperature. 2 months if frozen at -35 degrees C

Synonyms

Protein Free S Assay,s
Free Protein S,
Protein S (Free), Plasma

Turnaround Time

2 weeks

Specimen Type

  • Plasma

Specimen Type

  • Plasma

Specimen Requirements

Tube/Container Type:

Preferred
  • Citrate (Blue Cap)
Preferred
  • Citrate (Blue Cap)
Preferred Sample Volume (ml)

5.4

Minimum Sample Volume (ml)

1

No of Samples Required

3

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Citrate (Blue Cap)

Last updated: 02/11/2026