2025 ICD-10-CM code T50
Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances.
Medical necessity must be established by documenting the clinical rationale for the use of the diuretic or other medication. If there was an adverse reaction, the relationship between the medication and the adverse effect must be documented.If an underdosage occurred, the reason for underdosing and its impact on the patient’s condition should be noted.
Clinical responsibility for this code includes accurate documentation of the substance involved, the dosage taken (if known), the route of administration, the time of exposure/ingestion, and the resulting symptoms. Treatment and management of adverse effects should be clearly documented.
- Injury, poisoning and certain other consequences of external causes (S00-T88)
- Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
In simple words: This code represents a condition related to taking too much, too little, or the wrong type of diuretic medication or other unspecified drugs, medicines, or biological substances.
This code encompasses poisoning by, adverse effects of, and underdosing of diuretics and other unspecified drugs, medicaments, and biological substances.It includes adverse effects from correctly administered substances, poisoning due to overdose, and poisoning from incorrect substances given or taken in error.It also includes underdosing from inadvertently or deliberately taking less of a substance than prescribed.
Example 1: A patient accidentally takes double their prescribed dose of furosemide, experiencing symptoms of dehydration and electrolyte imbalance., A patient is given the wrong medication, a diuretic intended for another patient, leading to an adverse reaction including dizziness and low blood pressure., A patient intentionally takes fewer doses of their prescribed diuretic than instructed, resulting in worsening of their underlying condition (e.g., heart failure).
Documentation should include the specific diuretic or drug involved, the route of administration, the dosage (if known), the time of ingestion or exposure, and the clinical presentation of the patient, including signs and symptoms.
** For adverse effects, code first the nature of the adverse effect (e.g., T88.7 for adverse effect NOS, K29.- for aspirin gastritis, D56-D76 for blood disorders).The drug causing the adverse effect should be identified using codes T36-T50 with fifth or sixth character 5.
- Specialties:Emergency Medicine, Internal Medicine, Toxicology, Pediatrics
- Place of Service:Inpatient Hospital, Emergency Room - Hospital, Office, Home, Other Place of Service