T23.442D ICD-10-CM Code: Corrosion of unspecified degree of multiple left fingers (nail), including thumb, subsequent encounter
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T23.442DCorrosion of unspecified degree of multiple left fingers (nail), including thumb, subsequent encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T23.442D sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Burns and corrosions of external body surface, specified by site (T20-T25)
- 3
Category T23
Burn and corrosion of wrist and hand
- 4
Subcategory T23.442
Corrosion of unspecified degree of multiple left fingers (nail), including thumb
- 5
Code T23.442D
Corrosion of unspecified degree of multiple left fingers (nail), including thumb, subsequent encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T23.442D.
Code first
No “code first” instruction is listed for T23.442D.
Use additional code
No “use additional code” instruction is listed for T23.442D.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T23.442D.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T23.442D.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code T23.442D mean?
T23.442D is the FY 2027 U.S. ICD-10-CM code for “Corrosion of unspecified degree of multiple left fingers (nail), including thumb, subsequent encounter.”
Is T23.442D a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T23.442D has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is T23.442D located in ICD-10-CM?
T23.442D is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Burns and corrosions of external body surface, specified by site (T20-T25) (T20–T25), under category T23, Burn and corrosion of wrist and hand and subcategory T23.442, Corrosion of unspecified degree of multiple left fingers (nail), including thumb.
What coding notes are listed for T23.442D?
No inclusion terms are listed for T23.442D in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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