CLINICAL REQUIREMENT FOR ADMISSION	BARE MINIMUM INVESTIGATION TO APPROVE PREAUTHORISATION	BARE MINIMUM NUMBER OF DAYS ADMISSION (Including days in ICU)	BARE MINIMUM INVESTIGATION AND TREATMENT FOR APPROVAL OF CLAIM	REMARKS
H/O LOIN PAIN AND H/O STAG HORN CALCULUS	CT UROGRAM OR IVU UREA CREATININE CBC	8 DAYS	POST OP X-RAY