Lab Instruction and Prepariation Guide

International Clinical Laboratories Official Website

Lab Instruction and Prepariation

International Clinical Laboratories request physician’s orders for your lab tastings unless you know what lab work to be done. For HIV test a written order from physician is mandatory.
If you are a credit customer please bring your company request format with a stamp on it or Insurances details.
If your physician has instructed you to deliver collected laboratory specimens for testing at out hospital lab, you may drop off your specimens at one of ICL’s patient service sites.

Tests will not be ordered by ICL staffs. We only receive requests and serve accordingly

N.B Please make sure your specimen has your name on it and inform the receptionists that your sample was collected outside ICL.


 

TESTS WHICH NEED FASTING:

Basal State The composition of blood altered after meals by nutrients being absorbed in to blood stream therefore blood drawn after a meal is not suitable for some chemistry tests. For instance: Fasting Blood Glucose Lipid Profile (Cholesterol/Triglyceride). Thus, an overnight fasting is preferred. If the physician wants the test to be done out of basal state , indicating "Non- fasting " as a comment and performing the test is possible. Fasting does not include abstaining from water. Dehydration resulting from water abstinence can alter test results.

TIMED SPECIMENS

There are two types of timed specimen collections. For single blood specimen ordered to be drawn at a specific time and for test that may require multiple blood specimens to be collected at several specific times. This method can be used for:
- Blood cultures which may ordered at specific time if a blood stream bacterial infection is suspected.
- Therapeutic monitoring of patients on medication.
- Glucose tolerance test, first specimen drawn from fasting state then the patient is given glucose orally and specimens are drawn at fixed intervals.
- Consecutive follow up and monitoring of tests can be requested before, during and after the patient has received a medication.

SUBSTANCE INTERFERENCE

Common prescription medications or substance interfere with chemical determinations. The patients must then be told to avoid specific medications for periods of time prior to specimen collection. If the patient cannot take off the medication, its presence should be noted on the request and on the result.
For instance: Oral contraceptives cause a decrease in serum vitamin B12 levels. And also cause an increase in total serum thyroxin binding globulin but no significant change in free thyroxin.


SPECIAL TEST INSTRUCTIONS

Information to the patient is necessary prior to specimen collection about fasting, diet selection, restricted medications and the like. Correct diagnostic and therapeutic decisions partly rely in accuracy of lab test results. The accuracy of test results depend on the integrity of specimens which starts from sample collection .Following the collection ,preparation and transportation instructions suggested by ICL helps to ensure the best possible test results.

24-HOUR URINE SPECIMENS

Collect all urine voided for 24 hours in the container provided. All urine passed during the 24-hour time period (day and night) must be saved up to exactly the same time the following day.Please get information for specific additives from ICL staff on time of container pickup. Be sure to label specimen with patient’s name, take the 24-hour specimen to the ICL patient service sites as soon as possible and inform receptionists that you brought the specimen.

 

ALDOSTERONE / RENIN RATIO
Medication: Some anti hypertensive should be discontinued for a certain period before blood sampling.

DIGOXIN LEVEL
Blood should be drawn 6-8 hours after the last dose of Digoxin was taken

FECAL FAT TEST
Consume a normal diet containing about 100 grams of fat per day for 3 days before starting the test. . For example, if a patients' appointment is on Tuesday, he or she should eat a 100 gram fat diet on Saturday, Sunday, and Monday. Then he or she should fast – no food or beverages – for 5 hours prior to their lab specimen collection, Collect stool sample on the same day your visit of lab. For persons with diabetes, insulin and/or oral agents will need to be adjusted during a prolonged fast.

  • Fasting Before Your Visit.
  • It is vital for collecting proper data that you follow a fasting schedule.
  • Please do not eat, drink, or smoke anything 5 hours prior to your visit.
  • Please do not consume alcohol for 48 hours prior to your visit.
Please do not exercise vigorously for 48 hours prior to your visit.
On sample submission, make sure the collection cup cover is secure, attach the patient's identification label onto the cup.

GASTRINE
Fasting sample at least 12 hours prior to drawing sample. CATECHOLAMINES ( ADENALINE, NORADRENALINE & DOPAMINE) It is recommended that the patient has no intake for 2 days prior to urine sampling of the following: nuts, citrs frits plus no cocoa, coffee or vanilla containing products. If clinical condition allows it is also recommended that the patient stops taking catecholamines ( epinephrine, norepinephrine, dopamine), MAO-inhibitors or catecholamine-reuptake inhibitors at least prior to sampling.

HIV Ag/Ab and HIV DNA PCR tests
ICL does not have Voluntary counseling and testing (VCT) service for HIV.Bringing physician's /Counselor's request paper with the health institution heading and stamp is mandatory. Children <18yrs old need to have a copy of legal parent-ship /guardians document.

HOMOVANILLIC ACID (HVA)
It is recommended that the patient has no intake for 2 days prior to urine sampling of the following: nuts, citrus fruits plus no cocoa, coffee or vanilla containing products. If clinical condition allows it is also recommended that the patient stops taking catecholamines( epinephrine, norepinephrine, dopamine), MAO-inhibitors or catecholamine-reuptake inhibitors at least prior to sampling.

PAP SMEAR/CYTOLOGY TESTS
ICL cytology test format should be filled with the information of Last Menstrual Period (LMP), site of specimen, and impression or what to be role out. Click here for the form.

SPUTUM FOR CULTURE AND ACID FAST MYCOBACTERIUM (AFB)
Patient should rinse mouth and gargle with water immediately prior to collection. Collect specimen from deep cough into a sterile container. Return specimen as soon as possible. If there is a delay, specimen should be refrigerated. Please label the specimen container with patient's name.

 

 

 

 

VANILLYLMANDELIC ACID (VMA)
It is recommended that the patient has no intake for 2 days prior to urine sampling of the following: nuts, citrus fruits plus no cocoa, coffee or vanilla containing products. If clinical condition allows it is also recommended that the patient stops taking catecholamines( epinephrine, norepinephrine, dopamine), MAO-inhibitors or catecholamine-reuptake inhibitors at least prior to sampling.

XYLOSE (S)
Adult : oral application of 25 g D-xylose. Blood sampling before and between 90-120 min- after oral dose. Childrn: oral application of 15g D-Xylose/M2 body surface. Blood sampling beofer and 60 min after oral dose.

XYLOSE (U)
After 25g D-xylose in 500 ml water or te normal exretion > 4g/5h. For persons with body weight > 30kg only the 25g oral xylose load should be used. Note: it is not essential to take hourly specimen.


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