To avoid reduced payment for multiple procedures, the coder should use modifier ________ to indicate distinct procedures.

Actual menstruation occurs during the secretory phase of the menstrual cycle

Indicate whether the statement is true or false

What is the short-term exposure limit value?

a. The amount of a substance, measured in milligrams per body mass, that kills half of a group of laboratory animals to which the substance is administered during a preestablished time b. The concentration of a substance to which workers can be exposed continuously for a period of approximately 15 minutes without suffering irritation, chronic or irreversible tissue damage, or narcosis sufficient to increase the risk of accidental injury, impair self-rescue, or materially reduce work-related efficiency c. The concentration of a substance, measured in parts per million, that kills half of a group of laboratory animals to which the substance is administered during a preestablished time d. The concentration in milligrams per kilogram (mg/kg) of a substance that kills a laboratory animal within 48 hours