T49.4X4S ICD-10-CM Code: Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined, sequela
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T49.4X4SPoisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined, sequela
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T49.4X4S sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- 3
Category T49
Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
- 4
Subcategory T49.4X4
Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined
- 5
Code T49.4X4S
Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined, sequela
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T49.4X4S.
Code first
No “code first” instruction is listed for T49.4X4S.
Use additional code
No “use additional code” instruction is listed for T49.4X4S.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T49.4X4S.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T49.4X4S.
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 T49.4X4S mean?
T49.4X4S is the FY 2027 U.S. ICD-10-CM code for “Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined, sequela.”
Is T49.4X4S a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T49.4X4S 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 T49.4X4S located in ICD-10-CM?
T49.4X4S is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) (T36–T50), under category T49, Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs and subcategory T49.4X4, Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined.
What coding notes are listed for T49.4X4S?
No inclusion terms are listed for T49.4X4S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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