T37.0X1D is the authoritative medical code for Poisoning by sulfonamides, accidental (unintentional), subsequent encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for poisoning by sulfonamides, accidental (unintentional), subsequent encounter (ICD-10-CM T37.0X1D), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Poisoning by sulfonamides, accidental (unintentional), subsequent encounter is a billable ICD-10-CM diagnosis code T37.0X1D. Includes: 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. Inclusion terms: Poisoning by sulfonamides NOS. Excludes1 (not coded here): anti-infectives topically used for ear, nose and throat T49.6-; anti-infectives topically used for eye T49.5-; locally applied anti-infectives NEC T49.0-; toxic reaction to local anesthesia in pregnancy O29.3-. Excludes2 (not included here): 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: , 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: 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-). 7th character: The appropriate 7th character is to be added to each code from category T37.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T37.0X1D 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
Inclusion Terms
Alternative terms the tabular list files under this code.
- Poisoning by sulfonamides NOS
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- anti-infectives topically used for ear, nose and throat T49.6-
- anti-infectives topically used for eye T49.5-
- locally applied anti-infectives NEC T49.0-
- 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.
- , 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.
- 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 T37.0X1D require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T37.
What can't be coded together with T37.0X1D?
Per Excludes1 instructions, T37.0X1D must not be reported with: anti-infectives topically used for ear, nose and throat (T49.6-); anti-infectives topically used for eye (T49.5-); locally applied anti-infectives NEC (T49.0-); toxic reaction to local anesthesia in pregnancy (O29.3-).
Can T37.0X1D be reported alongside related conditions?
Per Excludes2 instructions, T37.0X1D and the following may both be reported 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).
Does T37.0X1D 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 T37.0X1D?
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-).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as T37.0X1D, with their registry titles.
- T37 — Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
- T37.0 — Poisoning by, adverse effect of and underdosing of sulfonamides
- T37.0X — Poisoning by, adverse effect of and underdosing of sulfonamides
- T37.0X1 — Poisoning by sulfonamides, accidental (unintentional)
- T37.0X1A — Poisoning by sulfonamides, accidental (unintentional), initial encounter
- T37.0X1S — Poisoning by sulfonamides, accidental (unintentional), sequela
- T37.0X2 — Poisoning by sulfonamides, intentional self-harm
- T37.0X2A — Poisoning by sulfonamides, intentional self-harm, initial encounter
- T37.0X2D — Poisoning by sulfonamides, intentional self-harm, subsequent encounter
- T37.0X2S — Poisoning by sulfonamides, intentional self-harm, sequela
- T37.0X3 — Poisoning by sulfonamides, assault
- T37.0X3A — Poisoning by sulfonamides, assault, initial encounter
- T37.0X3D — Poisoning by sulfonamides, assault, subsequent encounter
- T37.0X3S — Poisoning by sulfonamides, assault, sequela
- T37.0X4 — Poisoning by sulfonamides, undetermined
- T37.0X4A — Poisoning by sulfonamides, undetermined, initial encounter
- T37.0X4D — Poisoning by sulfonamides, undetermined, subsequent encounter
- T37.0X4S — Poisoning by sulfonamides, undetermined, sequela
- T37.0X5 — Adverse effect of sulfonamides
- T37.0X5A — Adverse effect of sulfonamides, initial encounter
- T37.0X5D — Adverse effect of sulfonamides, subsequent encounter
- T37.0X5S — Adverse effect of sulfonamides, sequela
- T37.0X6 — Underdosing of sulfonamides
- T37.0X6A — Underdosing of sulfonamides, initial encounter
- T37.0X6D — Underdosing of sulfonamides, subsequent encounter
- T37.0X6S — Underdosing of sulfonamides, sequela
- T37.1 — Poisoning by, adverse effect of and underdosing of antimycobacterial drugs
- T37.1X — Poisoning by, adverse effect of and underdosing of antimycobacterial drugs
- T37.1X1 — Poisoning by antimycobacterial drugs, accidental (unintentional)
- T37.1X1A — Poisoning by antimycobacterial drugs, accidental (unintentional), initial encounter
- T37.1X1D — Poisoning by antimycobacterial drugs, accidental (unintentional), subsequent encounter
- T37.1X1S — Poisoning by antimycobacterial drugs, accidental (unintentional), sequela
- T37.1X2 — Poisoning by antimycobacterial drugs, intentional self-harm
- T37.1X2A — Poisoning by antimycobacterial drugs, intentional self-harm, initial encounter
- T37.1X2D — Poisoning by antimycobacterial drugs, intentional self-harm, subsequent encounter
- T37.1X2S — Poisoning by antimycobacterial drugs, intentional self-harm, sequela
- T37.1X3 — Poisoning by antimycobacterial drugs, assault
- T37.1X3A — Poisoning by antimycobacterial drugs, assault, initial encounter
- T37.1X3D — Poisoning by antimycobacterial drugs, assault, subsequent encounter
- T37.1X3S — Poisoning by antimycobacterial drugs, assault, sequela
Associated Substances (62)
Substances from the official ICD-10-CM Table of Drugs and Chemicals that map to this code.
- Acedapsone
- Acesulfamethoxypyridazine
- Acetylsulfamethoxypyridazine
- Azosulfamide
- Azulfidine
- Diaphenylsulfone
- Disulfanilamide
- Neoprontosil
- Phthalylsulfathiazole
- Prontosil
- Salazosulfapyridine
- Salicylazosulfapyridine
- Succinylsulfathiazole
- Sulfachlorpyridazine
- Sulfacitine
- Sulfadiasulfone sodium
- Sulfadiazine
- Sulfadimethoxine
- Sulfadimidine
- Sulfadoxine
- Sulfaethidole
- Sulfafurazole
- Sulfaguanidine
- Sulfalene
- Sulfaloxate
- Sulfaloxic acid
- Sulfamerazine
- Sulfameter
- Sulfamethazine
- Sulfamethizole
- Sulfamethoxazole
- Sulfamethoxydiazine
- Sulfamethoxypyridazine
- Sulfamethylthiazole
- Sulfametoxydiazine
- Sulfamonomethoxine
- Sulfamoxole
- Sulfanilamide
- Sulfanilylguanidine
- Sulfaperin
- Sulfaphenazole
- Sulfaphenylthiazole
- Sulfaproxyline
- Sulfapyridine
- Sulfapyrimidine
- Sulfasalazine
- Sulfasuxidine
- Sulfasymazine
- Sulfathiazole
- Sulfisomidine
- Sulfisoxazole
- Sulfonamide NEC
- Sulphadiazine
- Sulphadimethoxine
- Sulphadimidine
- Sulphafurazole
- Sulphamethizole
- Sulphamethoxazole
- Sulphaphenazole
- Sulphapyridine
- Sulphasalazine
- Trisulfapyrimidines
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
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ICD Code T40.0X1D
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ICD Code T41.0X1D
Poisoning by inhaled anesthetics, accidental (unintentional), subsequent encounter
ICD Code T42.0X1D
Poisoning by hydantoin derivatives, accidental (unintentional), subsequent encounter