T78.8
Non-billableOther adverse effects, not elsewhere classified
Other adverse effects, not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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
Use Additional Code
Additional codes that should follow this code
Child Codes (3)
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other adverse effects, not elsewhere classified?
The ICD-10-CM code for other adverse effects, not elsewhere classified is T78.8. The full clinical description is "Other adverse effects, not elsewhere classified". T78.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T78.8 mean?
ICD-10-CM code T78.8 represents “Other adverse effects, 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 T78.8 a billable code?
No, T78.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T78.8.
What chapter is T78.8 in?
T78.8 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T78.8?
T78.8 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).
What are the subcategories under T78.8?
T78.8 has 3 child codes, including: T78.8XXA (Other adverse effects, not elsewhere classified, init encntr), T78.8XXD (Other adverse effects, not elsewhere classified, subs encntr), T78.8XXS (Other adverse effects, not elsewhere classified, sequela).
Are additional codes required with T78.8?
Yes, when using T78.8, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for T78.8?
T78.8 is linked to 1 UMLS Concept Unique Identifier: C0868840. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does T78.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other adverse effects, not elsewhere classified 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 T78.8?
T78.8 maps to the ICD-11 code: NF09 (Adverse effects, not elsewhere classified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.