T23.442⚠ Requires 7th Character

Corrosion of unspecified degree of multiple left fingers (nail), including thumb

Corrosion of unspecified degree of multiple left fingers (na…

⚠ 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 T23.442:

Ainitial encounterT23.442ADsubsequent encounterT23.442DSsequelaT23.442S

Sub-codes of T23.442(3)

T23.442 is a non-billable header. Select a sub-code to bill.

T23.442ACorrosion of unspecified degree of multiple left fingers (na…✓ BillableT23.442DCorrosion of unspecified degree of multiple left fingers (na…✓ BillableT23.442SCorrosion of unspecified degree of multiple left fingers (na…✓ Billable

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

These clinical terms, synonyms, and manifestations all map to T23.442 in the official ICD-10-CM Alphabetic Index.

Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal), finger, multiple sites (without thumb), with thumb, leftCorrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal), thumb (s), multiple sites with fingers, left

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
└T23.442Corrosion of unspecified degree of multiple left fingers (na…

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