Question 1

Is T36 a billable ICD-10 code?

Accepted Answer

No, T36 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code T36 mean?

Accepted Answer

ICD-10-CM code T36 represents Poisoning by, adverse effect of and underdosing of systemic antibiotics. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code T36 introduced?

Accepted Answer

Code T36 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code T36?

Accepted Answer

The parent category for T36 is section:T36-T50 (Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from T36?

Accepted Answer

Code T36 has Type 1 Excludes (mutually exclusive conditions) including: antineoplastic antibiotics (T45.1-); locally applied antibiotic NEC (T49.0); topically used antibiotic for ear, nose and throat (T49.6) and 1 more conditions. These conditions cannot be coded together with T36 as they represent different diagnoses.

Question 6

Does T36 require a 7th character extension?

Accepted Answer

Yes, T36 requires a 7th character to specify the encounter type. Available extensions include: A (initial encounter), D (subsequent encounter), S (sequela). Use "X" as a placeholder to fill empty positions before the 7th character (e.g., T36XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

T362026

Excludes15Not coded together

Code First7Sequence another code first

Excludes27Not included here

Use Additional Code5Add code for detail

Notes3Additional information

Includes4Included conditions

7th Character Extensions3Encounter type specifiers

Related Clinical Codes114Manifestation & etiology relationships

Excluded By4Codes that exclude this one