T36.93XS ICD-10-CM Code: Poisoning by unspecified systemic antibiotic, assault, sequela
T36.93XS is the authoritative medical code for Poisoning by unspecified systemic antibiotic, assault, sequela. This classification is used in medical billing and clinical recording to specify the clinical criteria for poisoning by unspecified systemic antibiotic, assault, sequela (ICD-10-CM T36.93XS), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 922 — OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITH MCC (MDC 21)
- MS-DRG 923 — OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITHOUT MCC (MDC 21)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T36.93XS in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- adverse effect of correct substance properly administered
- poisoning by overdose of substance
- poisoning by wrong substance given or taken in error
- underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- antineoplastic antibiotics (T45.1-)
- locally applied antibiotic NEC (T49.0)
- topically used antibiotic for ear, nose and throat (T49.6)
- topically used antibiotic for eye (T49.5)
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- abuse and dependence of psychoactive substances (F10-F19)
- abuse of non-dependence-producing substances (F55.-)
- immunodeficiency due to drugs (D84.821)
- drug reaction and poisoning affecting newborn (P00-P96)
- pathological drug intoxication (inebriation) (F10-F19)
Code First
Underlying conditions that must be sequenced before this code.
- Code first, for adverse effects, the nature of the adverse effect, such as:
- adverse effect NOS (T88.7)
- aspirin gastritis (K29.-)
- blood disorders (D56-D76)
- contact dermatitis (L23-L25)
- dermatitis due to substances taken internally (L27.-)
- nephropathy (N14.0-N14.2)
Use Additional Code
Supplementary codes the tabular list directs you to add.
- Use additional code(s) to specify:
- manifestations of poisoning
- underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
- underdosing of medication regimen (Z91.12-, Z91.13-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does T36.93XS require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T36.
What can't be coded together with T36.93XS?
Per official ICD-10-CM Excludes1 instructions, T36.93XS must not be reported together with: antineoplastic antibiotics (T45.1-); locally applied antibiotic NEC (T49.0); topically used antibiotic for ear, nose and throat (T49.6); topically used antibiotic for eye (T49.5).
Can T36.93XS be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, T36.93XS and the following are not considered part of each other and may both be reported when both conditions are present: abuse and dependence of psychoactive substances (F10-F19); abuse of non-dependence-producing substances (F55.-); immunodeficiency due to drugs (D84.821); drug reaction and poisoning affecting newborn (P00-P96).
Does T36.93XS need to be sequenced after another code?
Yes. Code first: , for adverse effects, the nature of the adverse effect, such as:; adverse effect NOS (T88.7); aspirin gastritis (K29.-); blood disorders (D56-D76).
Is an additional code needed with T36.93XS?
Use additional code(s) to specify: code(s) to specify:; manifestations of poisoning; underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9); underdosing of medication regimen (Z91.12-, Z91.13-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T36.93XS in its code family, with their registry titles.
- T36.92XD — Poisoning by unspecified systemic antibiotic, intentional self-harm, subsequent encounter
- T36.92XS — Poisoning by unspecified systemic antibiotic, intentional self-harm, sequela
- T36.93 — Poisoning by unspecified systemic antibiotic, assault
- T36.93XA — Poisoning by unspecified systemic antibiotic, assault, initial encounter
- T36.93XD — Poisoning by unspecified systemic antibiotic, assault, subsequent encounter
- T36.94 — Poisoning by unspecified systemic antibiotic, undetermined
- T36.94XA — Poisoning by unspecified systemic antibiotic, undetermined, initial encounter
- T36.94XD — Poisoning by unspecified systemic antibiotic, undetermined, subsequent encounter
- T36.94XS — Poisoning by unspecified systemic antibiotic, undetermined, sequela
- T36.95 — Adverse effect of unspecified systemic antibiotic