Is T44.996 a billable code?
No. T44.996 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
T44.996: Underdosing of other drug primarily affecting the autonomic nervous system
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T44.996 groups related diagnoses under underdosing of other drug primarily affecting the autonomic nervous system. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T44.996
- T44.996AUnderdosing of other drug primarily affecting the autonomic nervous system, initial encounter
- T44.996DUnderdosing of other drug primarily affecting the autonomic nervous system, subsequent encounter
- T44.996SUnderdosing of other drug primarily affecting the autonomic nervous system, sequela
Other codes in T44.99 Poisoning by, adverse effect of and underdosing of other drugs primarily affecting the autonomic nervous system
- T44.991Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional)header
- T44.992Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harmheader
- T44.993Poisoning by other drug primarily affecting the autonomic nervous system, assaultheader
- T44.994Poisoning by other drug primarily affecting the autonomic nervous system, undeterminedheader
- T44.995Adverse effect of other drug primarily affecting the autonomic nervous systemheader
T44.996 questions
What does T44.996 mean?
T44.996 is the ICD-10-CM code for Underdosing of other drug primarily affecting the autonomic nervous system. 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.