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ICD-10-CM · FY 2026 APRIL UPDATE

T36.2

Poisoning by, adverse effect of and underdosing of chloramphenicol group

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T36.2XPoisoning by, adverse effect of and underdosing of chloramphenicol groupCategory
T36.2X1Poisoning by chloramphenicol group, accidental (unintentional)Category
T36.2X1APoisoning by chloramphenicol group, accidental (unintentional), initial encounterBillable
T36.2X1DPoisoning by chloramphenicol group, accidental (unintentional), subsequent encounterBillable
T36.2X1SPoisoning by chloramphenicol group, accidental (unintentional), sequelaBillable
T36.2X2Poisoning by chloramphenicol group, intentional self-harmCategory
T36.2X2APoisoning by chloramphenicol group, intentional self-harm, initial encounterBillable
T36.2X2DPoisoning by chloramphenicol group, intentional self-harm, subsequent encounterBillable
T36.2X2SPoisoning by chloramphenicol group, intentional self-harm, sequelaBillable
T36.2X3Poisoning by chloramphenicol group, assaultCategory
T36.2X3APoisoning by chloramphenicol group, assault, initial encounterBillable
T36.2X3DPoisoning by chloramphenicol group, assault, subsequent encounterBillable
T36.2X3SPoisoning by chloramphenicol group, assault, sequelaBillable
T36.2X4Poisoning by chloramphenicol group, undeterminedCategory
T36.2X4APoisoning by chloramphenicol group, undetermined, initial encounterBillable
T36.2X4DPoisoning by chloramphenicol group, undetermined, subsequent encounterBillable
T36.2X4SPoisoning by chloramphenicol group, undetermined, sequelaBillable
T36.2X5Adverse effect of chloramphenicol groupCategory
T36.2X5AAdverse effect of chloramphenicol group, initial encounterBillable
T36.2X5DAdverse effect of chloramphenicol group, subsequent encounterBillable
T36.2X5SAdverse effect of chloramphenicol group, sequelaBillable
T36.2X6Underdosing of chloramphenicol groupCategory
T36.2X6AUnderdosing of chloramphenicol group, initial encounterBillable
T36.2X6DUnderdosing of chloramphenicol group, subsequent encounterBillable
T36.2X6SUnderdosing of chloramphenicol group, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.