Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics (T37)

Browse all the diagnosis codes used for poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics (t37). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Clinical Information

Fluorocarbons - Liquid perfluorinated carbon compounds which may or may not contain a hetero atom such as nitrogen, oxygen or sulfur, but do not contain another halogen or hydrogen atom. This concept includes fluorocarbon emulsions, and fluorocarbon blood substitutes. Perfluorinated and related polyfluorinated chemicals are referred to as PFAS and are defined as chemicals with at least two adjacent carbon atoms, where one carbon is fully fluorinated and the other is at least partially fluorinated.

Sulfonamides - A group of compounds that contain the structure SO2NH2.

Instructional Notations

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • anti-infectives topically used for ear, nose and throat T49.6
  • anti-infectives topically used for eye T49.5
  • locally applied anti-infectives NEC T49.0

7th Character Note

Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

  • The appropriate 7th character is to be added to each code from category T37

7th Character

Indicates that a seventh character is to be assigned to codes in a subcategory.

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
  • Injury, poisoning and certain other consequences of external causes (S00–T88)

    • Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances (T36-T50)

        • Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics (T37)

        • T37 Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
        • T37.0 Poisoning by, adverse effect of and underdosing of sulfonamides
        • T37.0X Poisoning by, adverse effect of and underdosing of sulfonamides
        • T37.0X1 Poisoning by sulfonamides, accidental (unintentional)
        • T37.0X1A Poisoning by sulfonamides, accidental (unintentional), initial encounter
        • T37.0X1D Poisoning by sulfonamides, accidental (unintentional), subsequent encounter
        • T37.0X1S Poisoning by sulfonamides, accidental (unintentional), sequela
        • T37.0X2 Poisoning by sulfonamides, intentional self-harm
        • T37.0X2A Poisoning by sulfonamides, intentional self-harm, initial encounter
        • T37.0X2D Poisoning by sulfonamides, intentional self-harm, subsequent encounter
        • T37.0X2S Poisoning by sulfonamides, intentional self-harm, sequela
        • T37.0X3 Poisoning by sulfonamides, assault
        • T37.0X3A Poisoning by sulfonamides, assault, initial encounter
        • T37.0X3D Poisoning by sulfonamides, assault, subsequent encounter
        • T37.0X3S Poisoning by sulfonamides, assault, sequela
        • T37.0X4 Poisoning by sulfonamides, undetermined
        • T37.0X4A Poisoning by sulfonamides, undetermined, initial encounter
        • T37.0X4D Poisoning by sulfonamides, undetermined, subsequent encounter
        • T37.0X4S Poisoning by sulfonamides, undetermined, sequela
        • T37.0X5 Adverse effect of sulfonamides
        • T37.0X5A Adverse effect of sulfonamides, initial encounter
        • T37.0X5D Adverse effect of sulfonamides, subsequent encounter
        • T37.0X5S Adverse effect of sulfonamides, sequela
        • T37.0X6 Underdosing of sulfonamides
        • T37.0X6A Underdosing of sulfonamides, initial encounter
        • T37.0X6D Underdosing of sulfonamides, subsequent encounter
        • T37.0X6S Underdosing of sulfonamides, sequela
        • T37.1 Poisoning by, adverse effect of and underdosing of antimycobacterial drugs
        • T37.1X Poisoning by, adverse effect of and underdosing of antimycobacterial drugs
        • T37.1X1 Poisoning by antimycobacterial drugs, accidental (unintentional)
        • T37.1X1A Poisoning by antimycobacterial drugs, accidental (unintentional), initial encounter
        • T37.1X1D Poisoning by antimycobacterial drugs, accidental (unintentional), subsequent encounter
        • T37.1X1S Poisoning by antimycobacterial drugs, accidental (unintentional), sequela
        • T37.1X2 Poisoning by antimycobacterial drugs, intentional self-harm
        • T37.1X2A Poisoning by antimycobacterial drugs, intentional self-harm, initial encounter
        • T37.1X2D Poisoning by antimycobacterial drugs, intentional self-harm, subsequent encounter
        • T37.1X2S Poisoning by antimycobacterial drugs, intentional self-harm, sequela
        • T37.1X3 Poisoning by antimycobacterial drugs, assault
        • T37.1X3A Poisoning by antimycobacterial drugs, assault, initial encounter
        • T37.1X3D Poisoning by antimycobacterial drugs, assault, subsequent encounter
        • T37.1X3S Poisoning by antimycobacterial drugs, assault, sequela
        • T37.1X4 Poisoning by antimycobacterial drugs, undetermined
        • T37.1X4A Poisoning by antimycobacterial drugs, undetermined, initial encounter
        • T37.1X4D Poisoning by antimycobacterial drugs, undetermined, subsequent encounter
        • T37.1X4S Poisoning by antimycobacterial drugs, undetermined, sequela
        • T37.1X5 Adverse effect of antimycobacterial drugs
        • T37.1X5A Adverse effect of antimycobacterial drugs, initial encounter
        • T37.1X5D Adverse effect of antimycobacterial drugs, subsequent encounter
        • T37.1X5S Adverse effect of antimycobacterial drugs, sequela
        • T37.1X6 Underdosing of antimycobacterial drugs
        • T37.1X6A Underdosing of antimycobacterial drugs, initial encounter
        • T37.1X6D Underdosing of antimycobacterial drugs, subsequent encounter
        • T37.1X6S Underdosing of antimycobacterial drugs, sequela
        • T37.2 Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa
        • T37.2X Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa
        • T37.2X1 Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional)
        • T37.2X1A Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), initial encounter
        • T37.2X1D Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), subsequent encounter
        • T37.2X1S Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), sequela
        • T37.2X2 Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm
        • T37.2X2A Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, initial encounter
        • T37.2X2D Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, subsequent encounter
        • T37.2X2S Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, sequela
        • T37.2X3 Poisoning by antimalarials and drugs acting on other blood protozoa, assault
        • T37.2X3A Poisoning by antimalarials and drugs acting on other blood protozoa, assault, initial encounter
        • T37.2X3D Poisoning by antimalarials and drugs acting on other blood protozoa, assault, subsequent encounter
        • T37.2X3S Poisoning by antimalarials and drugs acting on other blood protozoa, assault, sequela
        • T37.2X4 Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined
        • T37.2X4A Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, initial encounter
        • T37.2X4D Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, subsequent encounter
        • T37.2X4S Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, sequela
        • T37.2X5 Adverse effect of antimalarials and drugs acting on other blood protozoa
        • T37.2X5A Adverse effect of antimalarials and drugs acting on other blood protozoa, initial encounter
        • T37.2X5D Adverse effect of antimalarials and drugs acting on other blood protozoa, subsequent encounter
        • T37.2X5S Adverse effect of antimalarials and drugs acting on other blood protozoa, sequela
        • T37.2X6 Underdosing of antimalarials and drugs acting on other blood protozoa
        • T37.2X6A Underdosing of antimalarials and drugs acting on other blood protozoa, initial encounter
        • T37.2X6D Underdosing of antimalarials and drugs acting on other blood protozoa, subsequent encounter
        • T37.2X6S Underdosing of antimalarials and drugs acting on other blood protozoa, sequela
        • T37.3 Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs
        • T37.3X Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs
        • T37.3X1 Poisoning by other antiprotozoal drugs, accidental (unintentional)
        • T37.3X1A Poisoning by other antiprotozoal drugs, accidental (unintentional), initial encounter
        • T37.3X1D Poisoning by other antiprotozoal drugs, accidental (unintentional), subsequent encounter
        • T37.3X1S Poisoning by other antiprotozoal drugs, accidental (unintentional), sequela
        • T37.3X2 Poisoning by other antiprotozoal drugs, intentional self-harm
        • T37.3X2A Poisoning by other antiprotozoal drugs, intentional self-harm, initial encounter
        • T37.3X2D Poisoning by other antiprotozoal drugs, intentional self-harm, subsequent encounter
        • T37.3X2S Poisoning by other antiprotozoal drugs, intentional self-harm, sequela
        • T37.3X3 Poisoning by other antiprotozoal drugs, assault
        • T37.3X3A Poisoning by other antiprotozoal drugs, assault, initial encounter
        • T37.3X3D Poisoning by other antiprotozoal drugs, assault, subsequent encounter
        • T37.3X3S Poisoning by other antiprotozoal drugs, assault, sequela
        • T37.3X4 Poisoning by other antiprotozoal drugs, undetermined
        • T37.3X4A Poisoning by other antiprotozoal drugs, undetermined, initial encounter
        • T37.3X4D Poisoning by other antiprotozoal drugs, undetermined, subsequent encounter
        • T37.3X4S Poisoning by other antiprotozoal drugs, undetermined, sequela
        • T37.3X5 Adverse effect of other antiprotozoal drugs
        • T37.3X5A Adverse effect of other antiprotozoal drugs, initial encounter
        • T37.3X5D Adverse effect of other antiprotozoal drugs, subsequent encounter
        • T37.3X5S Adverse effect of other antiprotozoal drugs, sequela
        • T37.3X6 Underdosing of other antiprotozoal drugs
        • T37.3X6A Underdosing of other antiprotozoal drugs, initial encounter
        • T37.3X6D Underdosing of other antiprotozoal drugs, subsequent encounter
        • T37.3X6S Underdosing of other antiprotozoal drugs, sequela
        • T37.4 Poisoning by, adverse effect of and underdosing of anthelminthics
        • T37.4X Poisoning by, adverse effect of and underdosing of anthelminthics
        • T37.4X1 Poisoning by anthelminthics, accidental (unintentional)
        • T37.4X1A Poisoning by anthelminthics, accidental (unintentional), initial encounter
        • T37.4X1D Poisoning by anthelminthics, accidental (unintentional), subsequent encounter
        • T37.4X1S Poisoning by anthelminthics, accidental (unintentional), sequela
        • T37.4X2 Poisoning by anthelminthics, intentional self-harm
        • T37.4X2A Poisoning by anthelminthics, intentional self-harm, initial encounter
        • T37.4X2D Poisoning by anthelminthics, intentional self-harm, subsequent encounter
        • T37.4X2S Poisoning by anthelminthics, intentional self-harm, sequela
        • T37.4X3 Poisoning by anthelminthics, assault
        • T37.4X3A Poisoning by anthelminthics, assault, initial encounter
        • T37.4X3D Poisoning by anthelminthics, assault, subsequent encounter
        • T37.4X3S Poisoning by anthelminthics, assault, sequela
        • T37.4X4 Poisoning by anthelminthics, undetermined
        • T37.4X4A Poisoning by anthelminthics, undetermined, initial encounter
        • T37.4X4D Poisoning by anthelminthics, undetermined, subsequent encounter
        • T37.4X4S Poisoning by anthelminthics, undetermined, sequela
        • T37.4X5 Adverse effect of anthelminthics
        • T37.4X5A Adverse effect of anthelminthics, initial encounter
        • T37.4X5D Adverse effect of anthelminthics, subsequent encounter
        • T37.4X5S Adverse effect of anthelminthics, sequela
        • T37.4X6 Underdosing of anthelminthics
        • T37.4X6A Underdosing of anthelminthics, initial encounter
        • T37.4X6D Underdosing of anthelminthics, subsequent encounter
        • T37.4X6S Underdosing of anthelminthics, sequela
        • T37.5 Poisoning by, adverse effect of and underdosing of antiviral drugs
        • T37.5X Poisoning by, adverse effect of and underdosing of antiviral drugs
        • T37.5X1 Poisoning by antiviral drugs, accidental (unintentional)
        • T37.5X1A Poisoning by antiviral drugs, accidental (unintentional), initial encounter
        • T37.5X1D Poisoning by antiviral drugs, accidental (unintentional), subsequent encounter
        • T37.5X1S Poisoning by antiviral drugs, accidental (unintentional), sequela
        • T37.5X2 Poisoning by antiviral drugs, intentional self-harm
        • T37.5X2A Poisoning by antiviral drugs, intentional self-harm, initial encounter
        • T37.5X2D Poisoning by antiviral drugs, intentional self-harm, subsequent encounter
        • T37.5X2S Poisoning by antiviral drugs, intentional self-harm, sequela
        • T37.5X3 Poisoning by antiviral drugs, assault
        • T37.5X3A Poisoning by antiviral drugs, assault, initial encounter
        • T37.5X3D Poisoning by antiviral drugs, assault, subsequent encounter
        • T37.5X3S Poisoning by antiviral drugs, assault, sequela
        • T37.5X4 Poisoning by antiviral drugs, undetermined
        • T37.5X4A Poisoning by antiviral drugs, undetermined, initial encounter
        • T37.5X4D Poisoning by antiviral drugs, undetermined, subsequent encounter
        • T37.5X4S Poisoning by antiviral drugs, undetermined, sequela
        • T37.5X5 Adverse effect of antiviral drugs
        • T37.5X5A Adverse effect of antiviral drugs, initial encounter
        • T37.5X5D Adverse effect of antiviral drugs, subsequent encounter
        • T37.5X5S Adverse effect of antiviral drugs, sequela
        • T37.5X6 Underdosing of antiviral drugs
        • T37.5X6A Underdosing of antiviral drugs, initial encounter
        • T37.5X6D Underdosing of antiviral drugs, subsequent encounter
        • T37.5X6S Underdosing of antiviral drugs, sequela
        • T37.8 Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics
        • T37.8X Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics
        • T37.8X1 Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional)
        • T37.8X1A Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), initial encounter
        • T37.8X1D Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), subsequent encounter
        • T37.8X1S Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), sequela
        • T37.8X2 Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm
        • T37.8X2A Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, initial encounter
        • T37.8X2D Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, subsequent encounter
        • T37.8X2S Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, sequela
        • T37.8X3 Poisoning by other specified systemic anti-infectives and antiparasitics, assault
        • T37.8X3A Poisoning by other specified systemic anti-infectives and antiparasitics, assault, initial encounter
        • T37.8X3D Poisoning by other specified systemic anti-infectives and antiparasitics, assault, subsequent encounter
        • T37.8X3S Poisoning by other specified systemic anti-infectives and antiparasitics, assault, sequela
        • T37.8X4 Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined
        • T37.8X4A Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, initial encounter
        • T37.8X4D Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, subsequent encounter
        • T37.8X4S Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, sequela
        • T37.8X5 Adverse effect of other specified systemic anti-infectives and antiparasitics
        • T37.8X5A Adverse effect of other specified systemic anti-infectives and antiparasitics, initial encounter
        • T37.8X5D Adverse effect of other specified systemic anti-infectives and antiparasitics, subsequent encounter
        • T37.8X5S Adverse effect of other specified systemic anti-infectives and antiparasitics, sequela
        • T37.8X6 Underdosing of other specified systemic anti-infectives and antiparasitics
        • T37.8X6A Underdosing of other specified systemic anti-infectives and antiparasitics, initial encounter
        • T37.8X6D Underdosing of other specified systemic anti-infectives and antiparasitics, subsequent encounter
        • T37.8X6S Underdosing of other specified systemic anti-infectives and antiparasitics, sequela
        • T37.9 Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasitics
        • T37.91 Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional)
        • T37.91XA Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), initial encounter
        • T37.91XD Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), subsequent encounter
        • T37.91XS Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), sequela
        • T37.92 Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm
        • T37.92XA Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, initial encounter
        • T37.92XD Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, subsequent encounter
        • T37.92XS Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, sequela
        • T37.93 Poisoning by unspecified systemic anti-infective and antiparasitics, assault
        • T37.93XA Poisoning by unspecified systemic anti-infective and antiparasitics, assault, initial encounter
        • T37.93XD Poisoning by unspecified systemic anti-infective and antiparasitics, assault, subsequent encounter
        • T37.93XS Poisoning by unspecified systemic anti-infective and antiparasitics, assault, sequela
        • T37.94 Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined
        • T37.94XA Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, initial encounter
        • T37.94XD Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, subsequent encounter
        • T37.94XS Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, sequela
        • T37.95 Adverse effect of unspecified systemic anti-infective and antiparasitic
        • T37.95XA Adverse effect of unspecified systemic anti-infective and antiparasitic, initial encounter
        • T37.95XD Adverse effect of unspecified systemic anti-infective and antiparasitic, subsequent encounter
        • T37.95XS Adverse effect of unspecified systemic anti-infective and antiparasitic, sequela
        • T37.96 Underdosing of unspecified systemic anti-infectives and antiparasitics
        • T37.96XA Underdosing of unspecified systemic anti-infectives and antiparasitics, initial encounter
        • T37.96XD Underdosing of unspecified systemic anti-infectives and antiparasitics, subsequent encounter
        • T37.96XS Underdosing of unspecified systemic anti-infectives and antiparasitics, sequela