S90.542⚠ Requires 7th Character

External constriction, left ankle

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category S90

This code is not valid for billing without a 7th character. Append one of the following to S90.542:

Ainitial encounterS90.542ADsubsequent encounterS90.542DSsequelaS90.542S

Sub-codes of S90.542(3)

S90.542 is a non-billable header. Select a sub-code to bill.

S90.542AExternal constriction, left ankle, initial encounter✓ BillableS90.542DExternal constriction, left ankle, subsequent encounter✓ BillableS90.542SExternal constriction, left ankle, sequela✓ Billable

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S90-S99Injuries to the ankle and foot (S90-S99)├S90Superficial injury of ankle, foot and toes
└S90.542External constriction, left ankle

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