W21.00⚠ Requires 7th Character

Struck by hit or thrown ball, unspecified type

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category W21

This code is not valid for billing without a 7th character. Append one of the following to W21.00:

Ainitial encounterW21.00XADsubsequent encounterW21.00XDSsequelaW21.00XS

Sub-codes of W21.00(3)

W21.00 is a non-billable header. Select a sub-code to bill.

W21.00AStruck by hit or thrown ball, unspecified type, initial enco…✓ BillableW21.00DStruck by hit or thrown ball, unspecified type, subsequent e…✓ BillableW21.00SStruck by hit or thrown ball, unspecified type, sequela✓ Billable

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to W21.00 in the official ICD-10-CM Alphabetic Index.

Struck (accidentally) by, ball (hit) (thrown)Struck (accidentally) by, object, projected, in sports, ballStruck (accidentally) by, object, thrown, in sports, ballStruck (accidentally) by, sports equipment, ball

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W21Striking against or struck by sports equipment
└W21.00Struck by hit or thrown ball, unspecified type

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