2027 ICD-10-CM Diagnosis Code T41.0X5SAdverse effect of inhaled anesthetics, sequela

Alternate terms and clinical phrases that map to this code.

• Acute megaloblastic anemia
• Acute megaloblastic anemia caused by nitrous oxide
• Adverse reaction to inhaled anesthetic with ether structure
• Adverse reaction to nitrous oxide
• Chemical pneumonitis caused by anesthesia
• Desflurane adverse reaction
• Drug-induced apnea
• Drug-induced hepatitis
• Enflurane adverse reaction
• Enflurane hepatitis
• Enflurane poisoning
• Ether apnea
• Halothane adverse reaction
• Halothane hepatitis
• Halothane shakes
• Inhalational anesthetics adverse reaction
• Isoflurane adverse reaction
• Megaloblastic anemia caused by drugs
• Poisoning by halothane
• Trichloroethylene adverse reaction

When coding an adverse effect of a drug that has been correctly prescribed and properly administered, assign the appropriate code for the nature of the adverse effect followed by the appropriate code for the adverse effect of the drug.

The appropriate 7th character is to be added to each code from block Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases (T41). Use the following options for the applicable episode of care:

• A - initial encounter
• D - subsequent encounter
• S - sequela

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.

Instructions from the official ICD-10-CM Tabular List that apply to T41.0X5S: its own notes plus those printed at T41.0, T41, block T36-T50, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Instructional notes printed at other codes that name T41.0X5S, its category, or a range that includes it.