Counsel for Dr. Hermann N. Sander succeeded yesterday in blocking an assertion that the husband of the women the country doctor is accused of killing "had nothing to do" with the mercy death.

General Motors out prices and wages yesterday as the government announced that the U.S. cost of living in mid-January was 0.4 percent less than mid-December and 2.3 percent less than a year ago. Wages for 362,000 GM workers, which are tied directly to the Federal Price Index, were reduced two cents an hour: In Detroit, GM announced price cuts ranging from $10 to $40 on all its cars and trucks, effective immediately.

Secretary of State Dean Acheson said yesterday the State Department will cooperate "In every practicable way" with the Senate committee which is to investigate charges there are Communists employed by the department. He also repeated that there is no one in the department who has been found to be disloyal.