ICD-10-CM Code T65.91
Toxic effect of unspecified substance, accidental (unintentional)
NON-BILLABLE
7th Character Required
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ICD-10 from 2011 - 2016
Non-Billable Code
Non-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 Required
Code requires 7th Character Extension identifier. This 7th Character usually captures Episode of Care information, such as "Initial Encounter," "Subsquent Encounter," or "Sequela."ICD Code T65.91 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 substance, accidental (unintentional)' in more detail. The 7th characters that can be added, and the resulting billable codes, are as follows:
| 7th Digit | Billable Code | 7th Digit Specifies |
|---|---|---|
| A | T65.91XA | initial encounter |
| D | T65.91XD | subsequent encounter |
| S | T65.91XS | sequela |
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 InfoCoding Notes for T65.91 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Poisoning NOS
Related Concepts SNOMET-CT
- Diarrhea due to ingestion of unabsorbable substances (disorder)
- Superficial corrosion of scalp (disorder)
- Superficial corrosion of ear (disorder)
- Superficial corrosion of chin (disorder)
- Toxic amblyopia (disorder)
- Superficial corrosion of breast (disorder)
- Superficial corrosion of neck (disorder)
- Superficial corrosion of chest wall (disorder)
- Acute conjunctivitis due to chemical (disorder)
- Chemical injury to conjunctiva (disorder)
- Porphyria-like reaction to poison and/or environmental toxin (disorder)
- Chronic chemical respiratory disease (disorder)
- Corrosion of first degree of head and neck (disorder)
- Corrosion of third degree of hip and lower limb, except ankle and foot (disorder)
- Corrosion of second degree of ankle and foot (disorder)
- Toxin-induced bronchiectasis (disorder)
- Corrosion of second degree of wrist and hand (disorder)
- Chemical burn of eyelid (disorder)
- Exogenous lipoid pneumonia (disorder)
Coding Advice SNOMET-CT
- Episode of care information needed
- Consider additional code to identify specific condition or disease
- This is a manifestation code for use in a secondary position
ICD-10-CM Alphabetical Index References for 'T65.91 - Toxic effect of unspecified substance, accidental (unintentional)'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code T65.91. Click on any term below to browse the alphabetical index.
ICD-10-CM Drugs Index References for 'T65.91 - Toxic effect of unspecified substance, accidental (unintentional)'
The ICD-10-CM Drugs Index links the below-listed medical terms to the ICD code T65.91. Click on any term below to browse the drugs index.
Parent Code: T65.9 - Toxic effect of unspecified substance