Is T50.906 a billable code?
No. T50.906 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T50.906: Underdosing of unspecified drugs, medicaments and biological substances
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T50.906 groups related diagnoses under underdosing of unspecified drugs, medicaments and biological substances. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T50.906
- T50.906AUnderdosing of unspecified drugs, medicaments and biological substances, initial encounter
- T50.906DUnderdosing of unspecified drugs, medicaments and biological substances, subsequent encounter
- T50.906SUnderdosing of unspecified drugs, medicaments and biological substances, sequela
Other codes in T50.90 Poisoning by, adverse effect of and underdosing of unspecified drugs, medicaments and biological substances
- T50.901Poisoning by unspecified drugs, medicaments and biological substances, accidental (unintentional)header
- T50.902Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harmheader
- T50.903Poisoning by unspecified drugs, medicaments and biological substances, assaultheader
- T50.904Poisoning by unspecified drugs, medicaments and biological substances, undeterminedheader
- T50.905Adverse effect of unspecified drugs, medicaments and biological substancesheader
T50.906 questions
What does T50.906 mean?
T50.906 is the ICD-10-CM code for Underdosing of unspecified drugs, medicaments and biological substances. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.