T50.4X — Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism
Is T50.4X billable?
No — T50.4X is a non-billable header code. T50.4X 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 T50.4X.
Billable codes under this header
- T50.4X1APoisoning by drugs affecting uric acid metabolism, accidental (unintentional), initial encounter
- T50.4X1DPoisoning by drugs affecting uric acid metabolism, accidental (unintentional), subsequent encounter
- T50.4X1SPoisoning by drugs affecting uric acid metabolism, accidental (unintentional), sequela
- T50.4X2APoisoning by drugs affecting uric acid metabolism, intentional self-harm, initial encounter
- T50.4X2DPoisoning by drugs affecting uric acid metabolism, intentional self-harm, subsequent encounter
- T50.4X2SPoisoning by drugs affecting uric acid metabolism, intentional self-harm, sequela
- T50.4X3APoisoning by drugs affecting uric acid metabolism, assault, initial encounter
- T50.4X3DPoisoning by drugs affecting uric acid metabolism, assault, subsequent encounter
- T50.4X3SPoisoning by drugs affecting uric acid metabolism, assault, sequela
- T50.4X4APoisoning by drugs affecting uric acid metabolism, undetermined, initial encounter
- T50.4X4DPoisoning by drugs affecting uric acid metabolism, undetermined, subsequent encounter
- T50.4X4SPoisoning by drugs affecting uric acid metabolism, undetermined, sequela
- T50.4X5AAdverse effect of drugs affecting uric acid metabolism, initial encounter
- T50.4X5DAdverse effect of drugs affecting uric acid metabolism, subsequent encounter
- T50.4X5SAdverse effect of drugs affecting uric acid metabolism, sequela
- T50.4X6AUnderdosing of drugs affecting uric acid metabolism, initial encounter
- T50.4X6DUnderdosing of drugs affecting uric acid metabolism, subsequent encounter
- T50.4X6SUnderdosing of drugs affecting uric acid metabolism, sequela
T50.4X at a glance
| Code | T50.4X |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism |
| 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 T50.4X 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 T50.4X. T50.4X describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T50.4X to fully describe the condition. T50.4X 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 T50.4X to fully describe the condition. T50.4X is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T50.4X, but a patient may have both at the same time. When documentation supports it, T50.4X and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T50.4X, but a patient may have both at the same time. When documentation supports it, T50.4X and the excluded code may both be reported.
What codes fall under T50.4X? (6)
- T50.4X1Poisoning by drugs affecting uric acid metabolism, accidental (unintentional)not billable
- T50.4X2Poisoning by drugs affecting uric acid metabolism, intentional self-harmnot billable
- T50.4X3Poisoning by drugs affecting uric acid metabolism, assaultnot billable
- T50.4X4Poisoning by drugs affecting uric acid metabolism, undeterminednot billable
- T50.4X5Adverse effect of drugs affecting uric acid metabolismnot billable
- T50.4X6Underdosing of drugs affecting uric acid metabolismnot billable
How long has T50.4X existed?
T50.4X 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.