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CRITICAL VALUES
When a result falls outside the critical limits set by the laboratory, our Medical Technologists or Client Services staff will inform the clinician of the critical result so that the patients in question can be managed expeditiously and appropriately.
Below is a list of the critical values for some of the most common laboratory tests Innoquest conducts:
| LIST OF CRITICAL VALUES OF LABORATORY TESTS | ||||
| Haematology | Low Limit | High Limit | ||
| Haemoglobin (Hb) | 6.0 g/dl | 20 g/dl | ||
| White Blood Cell (WBC) | 2.0 x 109 / L | 25.0 x 109 / L | ||
| Platelets (PLT) | 50.0 x 109 / L | 800 x 109 / L | ||
| Reticulocyte (Retic) | None | 20% | ||
| Prothrombin Time (PT) | None | 50 sec | ||
| Activated Partial Thromboplastin Time (APTT) | None | 90 sec | ||
| INR | – | 4.5 | ||
| Peripheral Blood Film (PBF) | Shows leukemic cells (progranulocytic or blast) | |||
| Shows abnormal leukemoid reaction | ||||
| Malarial Parasite (MP) | Postive | |||
| Microfilaria | Positive | |||
| Chemistry | Low Limit | High Limit | ||
| Conventional Unit (mg/dl) | SI Unit
(mmol/L) | Conventional Unit (mg/dl) | SI Unit
(mmol/L) |
|
| Neonatal Bilirubin | – | – | 18 | 310 |
| Calcium | 6 | 1.5 | 13 | 3.25 |
| Phosphate | 1 | 0.32 | – | – |
| Glucose | 40 | 2.2 | 500 | 27.7 |
| Potassium | – | 2.5 | – | 6 |
| Sodium | – | 120 | – | 160 |
| Chloride | – | 80 | – | 120 |
| Bicarbonate (CO2) | – | 10 | – | 36 |
| Immunology/Microbiology | ||||
| Dengue IgM/IgG & Dengue NS1 | Positive | |||
| Blood Culture | Positive | |||
| CSF Culture | Positive | |||
| CSF & Body Fluids Gram Stain | Positive | |||
| AFB Smears | Positive | |||