What does UBI stand for?

ASH CASH: Money paid for signing cremation forms * BETTY: A diabetic * CLL: Chronic low life * FLK: Funny looking kid * GLM: Good looking mum * GOK: God only knows * GPO: Good for parts only * HOUSE RED: Blood * LOBNH: Lights on but nobody home * PATHOLOGY OUTPATIENTS: Mortuary * PFO: P*ssed, fell over * PUMPKIN POSITIVE: Derogatory, implying when light is shone in patient's mouth, his brain is so small his whole head lights up * TEETH: Tried everything else try homeopathy * TUBE: Totally unnecessary breast examination * UBI: Unexplained beer injury * WALLETECTOMY: An expensive procedure in private practice * WOOLWORTH'S TEST: If you can imagine the patient shopping, he's fit enough for an anaesthetic