ICD-10/T47.1X1A

T47.1X1A ICD 2026 Code: Poisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), initial encounter

T47.1X1A is the authoritative medical code for Poisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for poisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), initial encounter (ICD-10-CM T47.1X1A), 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 other antacids and anti-gastric-secretion drugs, accidental (unintentional), initial encounter is a billable ICD-10-CM diagnosis code T47.1X1A. 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 other antacids and anti-gastric-secretion drugs NOS. Excludes1 (not coded here): 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 T47.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for T47.1X1A 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 other antacids and anti-gastric-secretion drugs NOS

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • 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 T47.1X1A require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category T47.

What can't be coded together with T47.1X1A?

Per Excludes1 instructions, T47.1X1A must not be reported with: toxic reaction to local anesthesia in pregnancy (O29.3-).

Can T47.1X1A be reported alongside related conditions?

Per Excludes2 instructions, T47.1X1A 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 T47.1X1A 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 T47.1X1A?

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 T47.1X1A, with their registry titles.

  • T47 — Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system
  • T47.0 — Poisoning by, adverse effect of and underdosing of histamine H2-receptor blockers
  • T47.0X — Poisoning by, adverse effect of and underdosing of histamine H2-receptor blockers
  • T47.0X1 — Poisoning by histamine H2-receptor blockers, accidental (unintentional)
  • T47.0X1A — Poisoning by histamine H2-receptor blockers, accidental (unintentional), initial encounter
  • T47.0X1D — Poisoning by histamine H2-receptor blockers, accidental (unintentional), subsequent encounter
  • T47.0X1S — Poisoning by histamine H2-receptor blockers, accidental (unintentional), sequela
  • T47.0X2 — Poisoning by histamine H2-receptor blockers, intentional self-harm
  • T47.0X2A — Poisoning by histamine H2-receptor blockers, intentional self-harm, initial encounter
  • T47.0X2D — Poisoning by histamine H2-receptor blockers, intentional self-harm, subsequent encounter
  • T47.0X2S — Poisoning by histamine H2-receptor blockers, intentional self-harm, sequela
  • T47.0X3 — Poisoning by histamine H2-receptor blockers, assault
  • T47.0X3A — Poisoning by histamine H2-receptor blockers, assault, initial encounter
  • T47.0X3D — Poisoning by histamine H2-receptor blockers, assault, subsequent encounter
  • T47.0X3S — Poisoning by histamine H2-receptor blockers, assault, sequela
  • T47.0X4 — Poisoning by histamine H2-receptor blockers, undetermined
  • T47.0X4A — Poisoning by histamine H2-receptor blockers, undetermined, initial encounter
  • T47.0X4D — Poisoning by histamine H2-receptor blockers, undetermined, subsequent encounter
  • T47.0X4S — Poisoning by histamine H2-receptor blockers, undetermined, sequela
  • T47.0X5 — Adverse effect of histamine H2-receptor blockers
  • T47.0X5A — Adverse effect of histamine H2-receptor blockers, initial encounter
  • T47.0X5D — Adverse effect of histamine H2-receptor blockers, subsequent encounter
  • T47.0X5S — Adverse effect of histamine H2-receptor blockers, sequela
  • T47.0X6 — Underdosing of histamine H2-receptor blockers
  • T47.0X6A — Underdosing of histamine H2-receptor blockers, initial encounter
  • T47.0X6D — Underdosing of histamine H2-receptor blockers, subsequent encounter
  • T47.0X6S — Underdosing of histamine H2-receptor blockers, sequela
  • T47.1 — Poisoning by, adverse effect of and underdosing of other antacids and anti-gastric-secretion drugs
  • T47.1X — Poisoning by, adverse effect of and underdosing of other antacids and anti-gastric-secretion drugs
  • T47.1X1 — Poisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional)
  • T47.1X1D — Poisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), subsequent encounter
  • T47.1X1S — Poisoning by other antacids and anti-gastric-secretion drugs, accidental (unintentional), sequela
  • T47.1X2 — Poisoning by other antacids and anti-gastric-secretion drugs, intentional self-harm
  • T47.1X2A — Poisoning by other antacids and anti-gastric-secretion drugs, intentional self-harm, initial encounter
  • T47.1X2D — Poisoning by other antacids and anti-gastric-secretion drugs, intentional self-harm, subsequent encounter
  • T47.1X2S — Poisoning by other antacids and anti-gastric-secretion drugs, intentional self-harm, sequela
  • T47.1X3 — Poisoning by other antacids and anti-gastric-secretion drugs, assault
  • T47.1X3A — Poisoning by other antacids and anti-gastric-secretion drugs, assault, initial encounter
  • T47.1X3D — Poisoning by other antacids and anti-gastric-secretion drugs, assault, subsequent encounter
  • T47.1X3S — Poisoning by other antacids and anti-gastric-secretion drugs, assault, sequela

Associated Substances (35)

Substances from the official ICD-10-CM Table of Drugs and Chemicals that map to this code.

  • Alexitol sodium
  • Algeldrate
  • Almagate
  • Almasilate
  • Aloglutamol
  • Antacid NEC
  • Anti-gastric-secretion drug NEC
  • Benexate
  • Burimamide
  • Carbenoxolone
  • Cetraxate
  • Chalk, precipitated
  • Dihydroxyaluminum aminoacetate
  • Dihydroxyaluminum sodium carbonate
  • Dimethicone
  • Dimeticone
  • Enprostil
  • Hydrotalcite
  • Magaldrate
  • Magnesia magma
  • Methylpolysiloxane
  • Metiamide
  • Milk of magnesia
  • Misoprostol
  • Omeprazole
  • Ornoprostil
  • Pepstatin
  • Pirenzepine
  • Proglumide
  • Rolaids
  • Rosaprostol
  • Simaldrate
  • Simethicone
  • Sucralfate
  • Sulglicotide

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:

ICD Code T42.1X1A Poisoning by iminostilbenes, accidental (unintentional), initial encounter
ICD Code T43.1X1A Poisoning by monoamine-oxidase-inhibitor antidepressants, accidental (unintentional), initial encounter
ICD Code T44.1X1A Poisoning by other parasympathomimetics [cholinergics], accidental (unintentional), initial encounter
ICD Code T45.1X1A Poisoning by antineoplastic and immunosuppressive drugs, accidental (unintentional), initial encounter
ICD Code T46.1X1A Poisoning by calcium-channel blockers, accidental (unintentional), initial encounter
ICD Code T48.1X1A Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional), initial encounter
ICD Code T49.1X1A Poisoning by antipruritics, accidental (unintentional), initial encounter
ICD Code T50.1X1A Poisoning by loop [high-ceiling] diuretics, accidental (unintentional), initial encounter
ICD Code T51.1X1A Toxic effect of methanol, accidental (unintentional), initial encounter
ICD Code T52.1X1A Toxic effect of benzene, accidental (unintentional), initial encounter
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