Catatonic disorder due to known physiological condition

This code represents a catatonic state directly caused by an underlying medical condition, such as an endocrine disorder, neurological disease, or metabolic imbalance. Patients exhibit characteristic psychomotor disturbances, including immobility, mutism, negativism, posturing, or agitation, which are attributable to a physiological etiology rather than a primary psychiatric disorder.

Use this code when documentation clearly links catatonic symptoms to a specific, identifiable medical condition. The physician's notes should explicitly state the physiological cause of the catatonia, such as "catatonia secondary to hepatic encephalopathy" or "catatonic features due to hyperthyroidism." This code is appropriate when the catatonia is a manifestation of the physical illness.

• Ensure the medical record explicitly states the physiological condition causing the catatonia.
• Do not use this code if the catatonia is part of a primary psychiatric disorder like schizophrenia; refer to the Excludes2 notes.
• Sequence the underlying physiological condition first, followed by this code, to accurately reflect the etiology.