If you search for toxic encephalopathy, there is the subcategory for metabolic encephalopathy, and both have the code G92. If you look for metabolic encephalopathy, it has the code G93. 41 with the subcategories of drug induced and toxic, both with G92 codes.
The admission is five days long and the final diagnosis is encephalopathy due to polypharmacy with a metabolic component due to UTI. If toxic encephalopathy (encephalopathy due to drug) is sequenced as the principal diagnosis, metabolic encephalopathy as a secondary diagnosis will act as an MCC.
10. Therefore, G92 Toxic encephalopathy is the correct code to report for the diagnosis “toxic metabolic encephalopathy” even though the term “metabolic” is not in the description for code G92.
Toxic encephalopathy2022 ICD-10-CM Diagnosis Code G92: Toxic encephalopathy.
The term "toxic encephalopathy" is used to indicate brain dysfunction caused by toxic exposure [4]. Toxic encephalopathy includes a spectrum of symptomatology ranging from subclinical deficits to overt clinical disorders.
ICD-10-CM Code for Encephalopathy, unspecified G93. 40.
Acute toxic-metabolic encephalopathy (TME) is a condition of acute global cerebral dysfunction manifested by altered consciousness, behavior changes, and/or seizures in the absence of primary structural brain disease or direct central nervous system (CNS) infection.
Metabolic encephalopathy is a problem in the brain. It is caused by a chemical imbalance in the blood. The imbalance is caused by an illness or organs that are not working as well as they should. It is not caused by a head injury. When the imbalance affects the brain, it can lead to personality changes.
572.2 - Hepatic Encephalopathy [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2018. [cited 2022 June 25].
Metabolic encephalopathy is usually diagnosed through the blood, urine, and spinal fluid samples. Blood tests may also show if there is an infection or if there are drugs or toxins in the blood. Computed tomography (CT) or magnetic resonance imaging (MRI) may be used to rule out any brain-related problems.
What is encephalitis? Encephalitis is inflammation of the active tissues of the brain caused by an infection or an autoimmune response. The inflammation causes the brain to swell, which can lead to headache, stiff neck, sensitivity to light, mental confusion and seizures.
82 Altered mental status, unspecified.