Indications for The Most Common Tests

The best sample is fasting blood.
A few common tests should be performed routinely at set intervals or in certain diseases.

Most common tests give the functional status of various organs:
1. Liver function.
2. Kidney function.
3. Thyroid function.
4. Anemia.
5. Prostatic cancer in males.
6. PAP smear to detect cervical cancer.
7. The possibility of colon cancer.

Indications for the Most Common Tests: Main body parts to be tested

Test	When indicated
Serum potassium	The Patients are on diuretic drugs. Cardiac arrhythmias Potassium supplement
Occult blood stool	As a screening test after the age of 45 years
TSH	To diagnose hypothyroidism, hyperthyroidism, or thyroid dysfunctions After the age of 50 years or above
Amylase	To diagnose pancreatitis or abdominal pain
LFT	To diagnose liver diseases. Monitor the patient on hepatotoxic drugs
Hemoglobin	To diagnose anemia and monitor the treatment of anemia
Hematocrit	Used as a baseline study for abnormal bleeding or anemia
TLC	To differentiate between acute and chronic infection Diagnose leukemia
DLC	To differentiate between acute and chronic infection For typing of anemia To diagnose leukemia
Platelet count	To find thrombocytopenia or thrombocytosis
PT	For monitoring of anticoagulant therapy
Fasting blood glucose	Do it every 3 years after age 45. It is used to monitor D. Mellitus
Urine culture	For patients with pus (WBC) in urine
Urinalysis	In the case of urinary diseases In pregnant ladies In prostatic hyperplasia
PSA	Screening for men above the age of 50 years to rule out prostate cancer
Pap smear	Women after the age of 18 years, yearly
Creatinine	To diagnose kidney diseases
CPK	To diagnose muscular diseases
Liver function test	To evaluate the liver function To differentiate between liver cell injury and Cardiac diseases
CK-MB	To differentiate an acute myocardial infarction