T36.0
Poisoning by, adverse effect of and underdosing of penicillins
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 6 never code together
T36code
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 3
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 2 filed at T36
Alongside this code 10 same parent — T36
T36.1 Cephalospor/oth beta-lactm antibiotics category T36.2 Chloramphenicol group category T36.3 Macrolides category T36.4 Tetracyclines category T36.5 Aminoglycosides category T36.6 Rifampicins category T36.7 Antifungal antibiotics, systemically used category T36.8 Systemic antibiotics category T36.9 Unsp systemic antibiotic category T36.A Fluoroquinolone antibiotics category
Subordinate codes 1
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.