TOTAL HEALTH <TLHT.O> TO MAKE ACQUISITION Total Health Systems Inc said it has agreed to acquire CoMED Inc of Denville, N.J., a health maintenance organization with over 63,000 subscribers, for an undisclosed amount of cash, the assumption of liabilities and the provision of up to 10 mln dlrs in equity and debt financing. The company said the acquisition is subject to regulatory approvals. It said CoMED had 1986 revenues of 30.0 mln dlrs and earnings of 650,383 dlrs and had revenues for the first four months of 1987 of 13.6 mln dlrs, up 60 pct from a year before.