T36.0 — Poisoning by, adverse effect of and underdosing of penicillins
Is T36.0 billable?
No — T36.0 is a non-billable header code. T36.0 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 T36.0.
Billable codes under this header
- T36.0X1APoisoning by penicillins, accidental (unintentional), initial encounter
- T36.0X1DPoisoning by penicillins, accidental (unintentional), subsequent encounter
- T36.0X1SPoisoning by penicillins, accidental (unintentional), sequela
- T36.0X2APoisoning by penicillins, intentional self-harm, initial encounter
- T36.0X2DPoisoning by penicillins, intentional self-harm, subsequent encounter
- T36.0X2SPoisoning by penicillins, intentional self-harm, sequela
- T36.0X3APoisoning by penicillins, assault, initial encounter
- T36.0X3DPoisoning by penicillins, assault, subsequent encounter
- T36.0X3SPoisoning by penicillins, assault, sequela
- T36.0X4APoisoning by penicillins, undetermined, initial encounter
- T36.0X4DPoisoning by penicillins, undetermined, subsequent encounter
- T36.0X4SPoisoning by penicillins, undetermined, sequela
- T36.0X5AAdverse effect of penicillins, initial encounter
- T36.0X5DAdverse effect of penicillins, subsequent encounter
- T36.0X5SAdverse effect of penicillins, sequela
- T36.0X6AUnderdosing of penicillins, initial encounter
- T36.0X6DUnderdosing of penicillins, subsequent encounter
- T36.0X6SUnderdosing of penicillins, sequela
T36.0 at a glance
| Code | T36.0 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of penicillins |
| 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 T36.0 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-)
Excludes1 — never code together — inherited from T36
The conditions below can never be reported together with T36.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T36.0. T36.0 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T36.0 to fully describe the condition. T36.0 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 T36.0 to fully describe the condition. T36.0 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T36.0, but a patient may have both at the same time. When documentation supports it, T36.0 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T36.0, but a patient may have both at the same time. When documentation supports it, T36.0 and the excluded code may both be reported.
What codes fall under T36.0? (1)
How long has T36.0 existed?
T36.0 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 T36 family? (10)
- T36.1Poisoning by, adverse effect of and underdosing of cephalosporins and other beta-lactam antibioticsnot billable
- T36.2Poisoning by, adverse effect of and underdosing of chloramphenicol groupnot billable
- T36.3Poisoning by, adverse effect of and underdosing of macrolidesnot billable
- T36.4Poisoning by, adverse effect of and underdosing of tetracyclinesnot billable
- T36.5Poisoning by, adverse effect of and underdosing of aminoglycosidesnot billable
- T36.6Poisoning by, adverse effect of and underdosing of rifampicinsnot billable
- T36.7Poisoning by, adverse effect of and underdosing of antifungal antibiotics, systemically usednot billable
- T36.8Poisoning by, adverse effect of and underdosing of other systemic antibioticsnot billable
- T36.9Poisoning by, adverse effect of and underdosing of unspecified systemic antibioticnot billable
- T36.APoisoning by, adverse effect of and underdosing of fluoroquinolone antibioticsnot billable