F06.1 vs F20.2
F06.1 (Catatonic disorder due to known physiological condition) compared with F20.2 (Catatonic schizophrenia), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. F06.1 carries an Excludes2 note covering F20.2: “catatonic schizophrenia (F20.2)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F06.1Catatonic disorder due to known physiological condition | F20.2Catatonic schizophrenia | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Catatonic disorder due to known physiological condition is a billable ICD-10-CM diagnosis code (F06.1). | Catatonic schizophrenia is a billable ICD-10-CM diagnosis code (F20.2). |
| Includes | mental disorders due to endocrine disorder mental disorders due to exogenous hormone mental disorders due to exogenous toxic substance mental disorders due to primary cerebral disease | Schizophrenic catalepsy Schizophrenic catatonia Schizophrenic flexibilitas cerea |
| Use additional code | — | code, if applicable, to identify: other specified cognitive deficit (R41.84-) |
| Code first | the underlying physiological condition | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources