T50.5 — Poisoning by, adverse effect of and underdosing of appetite depressants
Is T50.5 billable?
No — T50.5 is a non-billable header code. T50.5 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 18 billable codes beneath T50.5.
Billable codes under this header
- T50.5X1APoisoning by appetite depressants, accidental (unintentional), initial encounter
- T50.5X1DPoisoning by appetite depressants, accidental (unintentional), subsequent encounter
- T50.5X1SPoisoning by appetite depressants, accidental (unintentional), sequela
- T50.5X2APoisoning by appetite depressants, intentional self-harm, initial encounter
- T50.5X2DPoisoning by appetite depressants, intentional self-harm, subsequent encounter
- T50.5X2SPoisoning by appetite depressants, intentional self-harm, sequela
- T50.5X3APoisoning by appetite depressants, assault, initial encounter
- T50.5X3DPoisoning by appetite depressants, assault, subsequent encounter
- T50.5X3SPoisoning by appetite depressants, assault, sequela
- T50.5X4APoisoning by appetite depressants, undetermined, initial encounter
- T50.5X4DPoisoning by appetite depressants, undetermined, subsequent encounter
- T50.5X4SPoisoning by appetite depressants, undetermined, sequela
- T50.5X5AAdverse effect of appetite depressants, initial encounter
- T50.5X5DAdverse effect of appetite depressants, subsequent encounter
- T50.5X5SAdverse effect of appetite depressants, sequela
- T50.5X6AUnderdosing of appetite depressants, initial encounter
- T50.5X6DUnderdosing of appetite depressants, subsequent encounter
- T50.5X6SUnderdosing of appetite depressants, sequela
T50.5 at a glance
| Code | T50.5 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of appetite depressants |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T50.5 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T50.5. T50.5 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T50.5 to fully describe the condition. T50.5 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T36-T50
Report an additional code alongside T50.5 to fully describe the condition. T50.5 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T50.5, but a patient may have both at the same time. When documentation supports it, T50.5 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T50.5, but a patient may have both at the same time. When documentation supports it, T50.5 and the excluded code may both be reported.
What codes fall under T50.5? (1)
How long has T50.5 existed?
T50.5 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the T50 family? (12)
- T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonistsnot billable
- T50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diureticsnot billable
- T50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diureticsnot billable
- T50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agentsnot billable
- T50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolismnot billable
- T50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agentsnot billable
- T50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonistsnot billable
- T50.8Poisoning by, adverse effect of and underdosing of diagnostic agentsnot billable
- T50.APoisoning by, adverse effect of and underdosing of bacterial vaccinesnot billable
- T50.BPoisoning by, adverse effect of and underdosing of viral vaccinesnot billable
- T50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substancesnot billable
- T50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substancesnot billable