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T65.9

Non-billable

Toxic effect of unspecified substance

Toxic effect of unspecified substance

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

T51-T65

Parent Code

T65

Child Codes

4

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
  • contact with and (suspected) exposure to toxic substances (Z77.-)

Use Additional Code

Additional codes that should follow this code

  • code to identify any retained foreign body, if applicable (Z18.-)
  • code(s):
  • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
  • personal history of foreign body fully removed (Z87.821)
  • to identify any retained foreign body, if applicable (Z18.-)

Child Codes (4)

T65.91

Toxic effect of unsp substance, accidental (unintentional)

T65.92

Toxic effect of unspecified substance, intentional self-harm

T65.93

Toxic effect of unspecified substance, assault

T65.94

Toxic effect of unspecified substance, undetermined

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code T65.9?

ICD-10-CM code T65.9 represents "Toxic effect of unspecified substance". It is a non-billable header code — use a more specific child code for billing purposes.

Is T65.9 a billable code?

No, T65.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under T65.9.

What chapter is T65.9 in?

T65.9 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T65.9?

T65.9 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); contact with and (suspected) exposure to toxic substances (Z77.-).

What are the subcategories under T65.9?

T65.9 has 4 child codes, including: T65.91 (Toxic effect of unsp substance, accidental (unintentional)), T65.92 (Toxic effect of unspecified substance, intentional self-harm), T65.93 (Toxic effect of unspecified substance, assault), T65.94 (Toxic effect of unspecified substance, undetermined).

Are additional codes required with T65.9?

Yes, when using T65.9 you should also code: code to identify any retained foreign body, if applicable (Z18.-); code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70); personal history of foreign body fully removed (Z87.821); to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for T65.9?

T65.9 is linked to 1 UMLS Concept Unique Identifier: C0496113. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.