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| Test Details Patient Preparations |
| CHEMICAL PATHOLOGY SECTION |
| TESTS REQUIREMENTS – TURNAROUND TIME (TAT) |
| S = Serum, P= Plasma, WB = Whole Blood. |
| Blood Containers (vacutainers): |
| Light Green Top: Lithium heparin with gel (LH- PST): 4.5 and 1 ml (paediatric).
Red Top: No additive, Plain: 4.5 ml and 1 ml (pediatric).
Golden Top (SST): Gel separator. No additive: 3.5, 4.5 and 7 mls.
Lavender Top: EDTA anticoagulant: 2 and 4.5 mls. |
TAT= Turnaround time in HOURS, R= Routine, S= STAT
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| Test |
SPECIMEN REQUIREMENT |
TAT Routine |
TATSTAT |
INSTRUCTIONS/COMMENTS |
| Blood Glucose |
| Fasting - Random |
S, SST, 3ml |
4 hrs |
1 hr |
Overnight fasting 10 – 14 hrs |
| 2hrs post prandial |
S, SST, 3ml |
4 hrs |
1 hr |
Sample taken 2 hrs after a meal |
| Glucose Tolerance Test-GTT |
S, SST, 3ml |
6 hrs |
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Fasting overnight 10-14 hrs. First fasting blood and urine samples are obtained. Immediately oral glucose solution is taken by the patient. Blood and urine samples are repeated exactly 1 and 2 hrs after glucose solution intake. |
| Test |
SPECIMEN REQUIREMENT |
TAT Routine |
TATSTAT |
INSTRUCTIONS/COMMENTS |
| Electrolytes Na-K-Cl |
S, SST, 3ml |
4 hrs |
1 hr |
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| CALCIUM PHOSPHATE |
S, SST, 3ml |
4 hrs |
1 hr |
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| URIC ACID |
S, SST, 3ml |
4 hrs |
1 hr |
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| BUN (UREA) CREATININE |
S, SST, 3ml |
4 hrs |
1 hr |
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| Test |
SPECIMEN REQUIREMENT |
TAT Routine |
TATSTAT |
INSTRUCTIONS/COMMENTS |
| CHOLESTEROL LDL, HDL TRIGLYCERIDES |
S, SST, 5ml |
4 hrs |
1 hr |
Generally, 12 – 14 hrs over night fasting, especially for triglycerides |
| TROPONIN I |
S, SST, 3ml |
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1 hr |
Cardiac profile include: Troponin I and CK-MB = 1hr |
| ENZYMES: CK, CK-MB, LDH, AST, ALT, GGT, ALK. PHOSP. |
S, SST, 5ml |
4 hrs |
1 hr |
Single or as groups |
| AMYLASE |
S, SST, 3ml |
4 hrs |
1 hr |
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| T. PROTEIN |
S, SST, 3ml |
4 hrs |
1 hr |
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| ALBUMIN |
S, SST, 3ml |
4 hrs |
1 hr |
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| ALBUMIN |
S, SST, 3ml |
4 hrs |
1 hr |
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