E83.4 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
E83.40
Disorders of magnesium metabolism, unspecified
Billable
10
E83.41
Hypermagnesemia
Billable
10
E83.42
Hypomagnesemia
Billable
10
E83.49
Other disorders of magnesium metabolism
Billable
9
E834.0
Other fall from one level to another in water transport injuring occupant of small boat, unpowered
Billable
9
E834.1
Other fall from one level to another in water transport injuring occupant of small boat, powered
Billable
9
E834.2
Other fall from one level to another in water transport injuring occupant of other watercraft -- crew
Billable
9
E834.3
Other fall from one level to another in water transport injuring occupant of other watercraft -- other than crew
Billable
9
E834.4
Other fall from one level to another in water transport injuring water skier
Billable
9
E834.5
Other fall from one level to another in water transport injuring swimmer
Billable
9
E834.6
Other fall from one level to another in water transport injuring dockers, stevedores
Billable
9
E834.7
Other fall from one level to another in water transport, occupant of military watercraft, any type
Billable
9
E834.8
Other fall from one level to another in water transport injuring other specified person
Billable
9
E834.9
Other fall from one level to another in water transport injuring unspecified person
Billable