T39.4 — Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified
Is T39.4 billable?
No — T39.4 is a non-billable header code. T39.4 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 T39.4.
Billable codes under this header
- T39.4X1APoisoning by antirheumatics, not elsewhere classified, accidental (unintentional), initial encounter
- T39.4X1DPoisoning by antirheumatics, not elsewhere classified, accidental (unintentional), subsequent encounter
- T39.4X1SPoisoning by antirheumatics, not elsewhere classified, accidental (unintentional), sequela
- T39.4X2APoisoning by antirheumatics, not elsewhere classified, intentional self-harm, initial encounter
- T39.4X2DPoisoning by antirheumatics, not elsewhere classified, intentional self-harm, subsequent encounter
- T39.4X2SPoisoning by antirheumatics, not elsewhere classified, intentional self-harm, sequela
- T39.4X3APoisoning by antirheumatics, not elsewhere classified, assault, initial encounter
- T39.4X3DPoisoning by antirheumatics, not elsewhere classified, assault, subsequent encounter
- T39.4X3SPoisoning by antirheumatics, not elsewhere classified, assault, sequela
- T39.4X4APoisoning by antirheumatics, not elsewhere classified, undetermined, initial encounter
- T39.4X4DPoisoning by antirheumatics, not elsewhere classified, undetermined, subsequent encounter
- T39.4X4SPoisoning by antirheumatics, not elsewhere classified, undetermined, sequela
- T39.4X5AAdverse effect of antirheumatics, not elsewhere classified, initial encounter
- T39.4X5DAdverse effect of antirheumatics, not elsewhere classified, subsequent encounter
- T39.4X5SAdverse effect of antirheumatics, not elsewhere classified, sequela
- T39.4X6AUnderdosing of antirheumatics, not elsewhere classified, initial encounter
- T39.4X6DUnderdosing of antirheumatics, not elsewhere classified, subsequent encounter
- T39.4X6SUnderdosing of antirheumatics, not elsewhere classified, sequela
T39.4 at a glance
| Code | T39.4 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with T39.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T39.4 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 T39.4. T39.4 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T39.4 to fully describe the condition. T39.4 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 T39.4 to fully describe the condition. T39.4 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T39.4, but a patient may have both at the same time. When documentation supports it, T39.4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T39.4, but a patient may have both at the same time. When documentation supports it, T39.4 and the excluded code may both be reported.
What codes fall under T39.4? (1)
How long has T39.4 existed?
T39.4 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 T39 family? (6)
- T39.0Poisoning by, adverse effect of and underdosing of salicylatesnot billable
- T39.1Poisoning by, adverse effect of and underdosing of 4-Aminophenol derivativesnot billable
- T39.2Poisoning by, adverse effect of and underdosing of pyrazolone derivativesnot billable
- T39.3Poisoning by, adverse effect of and underdosing of other nonsteroidal anti-inflammatory drugs [NSAID]not billable
- T39.8Poisoning by, adverse effect of and underdosing of other nonopioid analgesics and antipyretics, not elsewhere classifiednot billable
- T39.9Poisoning by, adverse effect of and underdosing of unspecified nonopioid analgesic, antipyretic and antirheumaticnot billable