Test	Indications
Complete Blood Count	Patient more than 60 years of age Major surgery requiring “group and screen” or “group and match” Chronic cardiovascular, pulmonary, renal or hepatic disease Malignancy Known or suspected anemia, bleeding diathesis or myelosuppression Anticoagulant therapy
Coagulation profile	Anticoagulant therapy Bleeding diathesis, family history of bleeding disorder History of DVT or pulmonary embolism Liver disease, renal failure Malignancy with concurrent radio-chemotherapy
Electrolytes and creatinine levels	Age more than 60 years Hypertension Renal disease Diabetes Pituitary or adrenal disease Digoxin or diuretic therapy, or other drug therapies affecting electrolytes