T23.731⚠ Requires 7th Character

Corrosion of third degree of multiple right fingers (nail), not including thumb

Corrosion of third degree of multiple right fingers (nail), …

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category T23

This code is not valid for billing without a 7th character. Append one of the following to T23.731:

Ainitial encounterT23.731ADsubsequent encounterT23.731DSsequelaT23.731S

Sub-codes of T23.731(3)

T23.731 is a non-billable header. Select a sub-code to bill.

T23.731ACorrosion of third degree of multiple right fingers (nail), …✓ BillableT23.731DCorrosion of third degree of multiple right fingers (nail), …✓ BillableT23.731SCorrosion of third degree of multiple right fingers (nail), …✓ Billable

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

These clinical terms, synonyms, and manifestations all map to T23.731 in the official ICD-10-CM Alphabetic Index.

Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal), finger, multiple sites (without thumb), right, third degree

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T20-T25Burns and corrosions of external body surface, specified by site (T20-T25)├T23Burn and corrosion of wrist and hand
└T23.731Corrosion of third degree of multiple right fingers (nail), …

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