| Test | Specimen Requirements |
| PCV (Packed Cell Volume) (Haematocrit) | 4 mL EDTA (purple) or capillary tubes. |
| Pancreatic (Islet Cell) Antibodies* | 10 mL GEL (white / yellow). |
| Pancreatic Enzymes Serum amylase Urine amylase Lipase | 10 mL GEL (white / yellow). 24 hr plain urine collection 10ml GEL (white / yellow) |
| PAP Smear | Please use spatula with cytobrush, label and fix slide |
| Thin Prep Pap Test | Please use cervical broom and vial |
| Paracetamol (panadol)* | 10 mL LITHIUM HEPARIN (green). |
| Parainfluenzae Antibodies* | 10 mL GEL (white / yellow). |
| (Intact) Parathyroid Hormone (IPTH) | 4 ml EDTA (purple) |
| Parvovirus B19 Serology* | 10 mL GEL (white / yellow). |
| PAS Stain | Bone Marrow Aspirate |
| Paul Bunnell (I.M./ Monospot) | 10 mL GEL (white / yellow). |
| Parotid Antibody (Mumps)* | 10 mL GEL (white / yellow). |
| Paternity Testing (non legal cases)* | Price on application. Varies with complexity. |
| Pemphigus & Pemphigoid (Skin Auto-Antibodies)* | 10 mL GEL (white / yellow). |
| Penicillin Allergy Assay G or V* | 10 mL GEL (white / yellow). |
| Perhexiline (Pexid)* | 10ml LITHIUM HEPARIN (green) or 4ml EDTA (purple). Whole blood. Collect 4 hours post dose. |
| Periodic Acid Schiff Stain (PAS) | Bone Marrow Aspirate |
| Peritoneal Fluid Includes cell count,gram stain and culture for aerobic & anaerobic bacteria | Fluid collected aseptically into sterile container. |
| Pertofran (Desipramine)* | 10ml LITHIUM HEPARIN (green). Sample time: Pre-Dose. State time/date of last dose & time/date of collection. |
| Pertussis antibodies* | 10 mL GEL (white / yellow), May need convalescent specimen |
| Phenobarbitone | 10 mL GEL (white / yellow). Sample Time: Pre-Dose. State time / date of last dose & time / date of collection. |
| Phenotyping (Red Cell) for Rhesus antigens | 10 mL PLAIN (red) |
| Phenotyping (Red Cell) Other blood group antigens | 10 mL PLAIN (red) |
| Phenylketonuria test for neonates* | Use Guthrie card - available from lab. Instructions for collection are on the card. |
| Phenytoin (Dilantin) | 10 mL GEL (white / yellow). Sample Time: Pre-Dose. State time / date of last dose & time / date of collection. |
| Phosphate (P04) Serum Urine | 10 mL GEL (white / yellow). 24 hr urine collection aliquot must be acidified before analysis |
| Phospholipid Antibody Screen Cardiolipin antibody Lupus Anticoagulant | 1 x 10 mL GEL (white / yellow) for Cardiolipin Ab 2 x 4ml SODIUM CITRATE (blue). Double spin, separate plasma and freeze |
| Plasminogen* | 2 x 4 mL SODIUM CITRATE (blue). Double spin, separate plasma & freeze |
| Platelet Count | 4mL EDTA (purple) |
| Platelet Antibodies* | 10ml GEL (white / yellow) - spin & freeze serum. |
| Platelet Concentrate (per pack) | 4ml EDTA (purple), if unknown blood group. By Agreement Only (Code for EACH unit that is requested). |
| Platinum* | 10 mL LITHIUM HEPARIN (green). |
| Pleural Fluid Cell count and gram stain Cell count and gram stain and bacterial culture. Chemistry | Fluid collected aseptically into sterile container Fluid collected aseptically into sterile container Fluid collected aseptically into sterile container |
| Pneumocystis carinii examination* | Induced sputum, bronchial aspirate, washings or brushings |
| Porphyrin Screen* | 50ml Random Urine |
| Potassium (K+) Serum Urine | 10 mL GEL (white / yellow). 24 hr urine collection with no additive. |
| Pregnancy Test Urine Serum qualitative Serum quantitative | 50 mL Random Urine 10 mL GEL (white / yellow). 10 mL GEL (white / yellow). |
| Procainamide (Promestyl)* | 3 x 10 mL GEL (white / yellow). Pre / Mid & Post-Doses |
| Primidone (Mysoline)* | 10 mL GEL (white / yellow). Sample Time: Pre-Dose. State time / date of last dose & time / date of collection. |
| Progesterone (Serum) | 10 mL GEL (white / yellow). |
| Prolactin | 10 mL GEL (white / yellow). |
| Protein Serum Urine | 10 mL GEL (white / yellow). 24 hr urine collection (no preservative) |
| Protein C | 2 x 4 mL SODIUM CITRATE (blue). Separate plasma and freeze |
| Protein S | 2 x 4 mL SODIUM CITRATE (blue). Separate plasma and freeze |
| Prothrombin Time (PT/INR) | 4 mL SODIUM CITRATE (blue). Fill to line. |
| PSA - Total (Prostate Specific Antigen) | 10 mL GEL (white / yellow) |
| PSA - Free and Total Prostate Specific Antigen | 10 ml GEL (white / yellow) |
| Pseudocholinesterase* (Suxamethonium / Scoline Sensitivity) | 10 mL GEL (white / yellow). Provide anaesthetic / family history & date of birth. |
| Pyridoxine (Vitamin B6)* | 10 mL LITHIUM HEPARIN (green). Wrap in foil. |