T38
Non-billableHormones and their synthetic substitutes and antag, NEC
Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included 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
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Code First
The underlying condition must be sequenced before this code
- , for adverse effects, the nature of the adverse effect, such as:
- •adverse effect NOST88.7
- •aspirin gastritisK29
- •blood disordersD56-D76
- •contact dermatitisL23-L25
- •dermatitis due to substances taken internallyL27
- •nephropathyN14.0-N14.2
Use Additional Code
Additional codes that should follow this code
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (10)
T38.0Glucocorticoids and synthetic analogues
T38.1Thyroid hormones and substitutes
T38.2Antithyroid drugs
T38.3Insulin and oral hypoglycemic drugs
T38.4Oral contraceptives
T38.5Estrogens and progestogens
T38.6Antigonadtr/antiestr/antiandrg, not elsewhere classified
T38.7Androgens and anabolic congeners
T38.8And unsp hormones and synthetic substitutes
T38.9And unsp hormone antagonists
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for hormones and their synthetic substitutes and antag, nec?
The ICD-10-CM code for hormones and their synthetic substitutes and antag, nec is T38. The full clinical description is "Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified". T38 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T38 mean?
ICD-10-CM code T38 represents “Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is T38 a billable code?
No, T38 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under T38.
What chapter is T38 in?
T38 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T38?
T38 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); toxic reaction to local anesthesia in pregnancy (O29.3-); and 3 more.
What are the subcategories under T38?
T38 has 10 child codes, including: T38.0 (Glucocorticoids and synthetic analogues), T38.1 (Thyroid hormones and substitutes), T38.2 (Antithyroid drugs), T38.3 (Insulin and oral hypoglycemic drugs), and 6 more.
Are additional codes required with T38?
Yes, when using T38, also report: any retained foreign body, if applicable (Z18.-); 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-).
What are the UMLS CUIs for T38?
T38 is linked to 1 UMLS Concept Unique Identifier: C2876989. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T38 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hormones and their synthetic substitutes and antag, nec affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of T38?
T38 maps to the ICD-11 code: NE60 (Harmful effects of drugs, medicaments or biological substances, not elsewhere classified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.