Prothrombin Ratio (Blood)

Testing Laboratory

Counties Manukau | Middlemore Hospital

Department

Haematology

Delphic Registration Code (Alpha Code)

PR

Test Code (Numeric Code)

1609

Laboratory Handling

Phlebotomy

Tube must be filled up to the "Fill line"

Sample Stability

12 hours at room temperature

Synonyms

PR

Turnaround Time

1 hour

Available 24 hours

Specimen Type

  • Plasma

Specimen Requirements

Tube/Container Type:

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

2.7

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Please refer to Additional Information below
  • Citrate (Light Blue Cap)
Preferred Sample Volume (ml)

1

Additional Specimen Information

1 mL paediatric tubes are available from the Coagulation Laboratory and tube must be filled up to the "Fill line"

Last updated: 14/11/2025