When a patient is admitted for the purpose of chemotherapy and develops nausea and vomiting, the principal diagnosis is nausea and vomiting

Normally, breathing rate is determined by the level of _____ in the blood

Fill in the blank(s) with correct word

A seventh character is assigned to identify which fetus is affected when maternal complications arise. The seventh character of zero is assigned for each of the following situations EXCEPT:

a. when the physician who was unable to determine which fetus is affected. b. for singletons. c. when the record does not identify the fetus and the coder cannot obtain clarification from the physician. d. the birth results in conjoined twins.