T48.291 Poisoning by other drugs acting on muscles, accidental (unintentional)

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Poisoning by other drugs acting on muscles, accidental (unintentional) is T48.291 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
T36-T50: Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Category T48
79 codes (60 billable)
FY2026 Status
Stable since FY2024

Inclusion Terms

  • Poisoning by other drugs acting on muscles NOS

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

T48 Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system

Related Codes in T48

T48 Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system T48.0 Poisoning by, adverse effect of and underdosing of oxytocic drugs T48.0X Poisoning by, adverse effect of and underdosing of oxytocic drugs T48.0X1 Poisoning by oxytocic drugs, accidental (unintentional) T48.0X2 Poisoning by oxytocic drugs, intentional self-harm T48.0X3 Poisoning by oxytocic drugs, assault T48.0X4 Poisoning by oxytocic drugs, undetermined T48.0X5 Adverse effect of oxytocic drugs T48.0X6 Underdosing of oxytocic drugs T48.1 Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents] T48.1X Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents] T48.1X1 Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional) T48.1X2 Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm T48.1X3 Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault T48.1X4 Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined T48.1X5 Adverse effect of skeletal muscle relaxants [neuromuscular blocking agents] T48.1X6 Underdosing of skeletal muscle relaxants [neuromuscular blocking agents] T48.2 Poisoning by, adverse effect of and underdosing of other and unspecified drugs acting on muscles T48.20 Poisoning by, adverse effect of and underdosing of unspecified drugs acting on muscles T48.201 Poisoning by unspecified drugs acting on muscles, accidental (unintentional)
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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