How many stages are there to describe meaningful use?

When a patient has the residual or sequela of a past disease or condition, the coder would assign a Z code from the ________ category._

Fill in the blank with correct word.

The appendages and girdles in the human skeleton; made up of the 126 bones in the limbs (upper and lower) and girdles (shoulder and pelvis) and attaches to the axial skeleton

What will be an ideal response?