ICD-10-CM Code T59.91
Toxic effect of unspecified gases, fumes and vapors, accidental (unintentional)
Non-Billable CodeNon-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
7th Character RequiredCode requires 7th Character Extension identifier. This 7th Character usually captures Episode of Care information, such as "Initial Encounter," "Subsquent Encounter," or "Sequela."
ICD Code T59.91 is a non-billable code. To code a diagnosis of this type, you must use specify a 7th character that describes the diagnosis 'toxic effect of unsp gases, fumes and vapors, accidental' in more detail. The 7th characters that can be added, and the resulting billable codes, are as follows:
|7th Digit Specifies
What is 7th Character Extension?For codes less than 6 characters that require a 7th character a placeholder 'X' should be assigned for all characters less than 6. The 7th character must always be the 7th position of a code. E.g. The ICD-10-CM code T67.4 (Heat exhaustion due to salt depletion) requires an Episode of Care identifier. T67.4XXA Initial Encounter or T67.4XXD Subsequent Encounter. More Info
Related Concepts SNOMET-CT
- Chronic pulmonary fibrosis due to inhalation of chemical fumes AND/OR vapors (disorder)
- Toxic inhalation injury (disorder)
Coding Advice SNOMET-CT
- Episode of care information needed
ICD-10-CM Drugs Index References for 'T59.91 - Toxic effect of unspecified gases, fumes and vapors, accidental (unintentional)'
The ICD-10-CM Drugs Index links the below-listed medical terms to the ICD code T59.91. Click on any term below to browse the drugs index.