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CLINICAL CHEMISTRY & IMMUNOLOGY

CLINICAL CHEMISTRY
GENERAL INFORMATION
1. The following notes are issued for general information regarding collection and dispatch of specimens to Clinical Laboratory for Chemical analysis. When in doubt, please contact the laboratory staff by telephone. (28252157 or 25222181 ext.257)
2. Each specimen should be properly collected, placed in the appropriate container, gently mixed and capped tight.
3. All specimens must be delivered to the laboratory immediately without delay.
4. For body fluids such as CSF, pleural fluid, joint fluid, peritoneal fluid, etc., use "Green form."

 

SUFFICIENT INFORMATION IN REQUEST FORM

 

INVESTIGATION
CONTAINERS
NOTES ON COLLECTION
ASTRUP
Heparinized blood
Dispatched immediately
Glucose
Heparinized blood
Dispatched immediately
HbA1c
EDTA
 
Fructosamine
Heparinized /Plain
 
GTT
Heparinized /Plain
 
Urea
Heparinized /Plain
 
Creatinine
Heparinized /Plain
 
Sodium
Heparinized /Plain
 
Potassium
Heparinized /Plain
 
Chloride
Heparinized /Plain
 
Bicarbonate/CO2
Heparinized /Plain
 
Calcium
Heparinized /Plain
 
Phosphate
Heparinized /Plain
 
Magnesium
Heparinized /Plain
 
Serum/Urine Osmolality
Heparinized /Plain
 
Total bilirubin
Plain
 
Direct bilirubin
Plain
 
Indirect bilirubin
Plain
 
Alkaline Phosphatase
Plain
 
SGOT/AST
Plain
 
SGPT/ALT
Plain
 
Total Protein
Plain
 
Albumin
Plain
 
Globulin
Plain
 
GGT
Plain
 
Acid Phosphatase
Plain
 
CPK
Plain
 
LDH
Plain
 
Cholesterol
Plain
 
Triglyceride
Plain
 
HDL-cholesterol
Plain
 
LDL-cholesterol
Plain
 
Apo-lipoproteins
Plain
 
Uric acid
Plain
 
Amylase
Plain
 
Iron
Plain
 
TIBC
Plain
 
TSH
Heparinized/Plain
 
T4
Heparinized/Plain
 
T3
Plain
 
FT4
Plain
 
INVESTIGATION
CONTAINERS
NOTES ON COLLECTION
FT3
Plain
 
T3 uptake
Plain
 
G6PD
EDTA
 
PKU
Heparinized/Plain
 
Ammonia
Heparinized
In Ice (0oC), Dispatched ASAP
Lactate
Heparinized
Dispatched immediately
Troponin-T
EDTA
Dispatched immediately
Troponin-I
Plain
Dispatched immediately
THERAPEUTIC DRUGS
Heparinized/Plain
Dispatched immediately
IMMUNOLOGY ASSAYS
Plain
 

 

 SPECIMEN TYPE AND REQUEST FORM
In general, 5 to10 ml of fresh venous blood sample is appropriate for chemical analysis. Collect blood specimen and add to the correct collection tubes. Cap tight. Mix gently for 10 to 20 times by inverting/ rotating the tubes. Send to clinical laboratory immediately without delay. Always dispatch sample together with the respective request form. Specimens received without request forms will not be entertained. Keep all sample at 4 degree during transport.

BLOOD GASES and ASTRUP

For Blood gases/ Astrup analysis, please collect heparinized ARTERIAL samples and indicates on the light-blue request form the type of sample and the amount of oxygen administered.

THERAPEUTIC DRUG MONITORING
Please specific time of sampling on the request form clearly. Sometimes 2 samples are required (i.e. one for Peak level and another for Trough level)

24 HOURS URINE SPECIMEN
Please specify time of collection, body weight and body height of patient.

 

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