Delusional disorders (F22)
Clinical Information for Delusional disorders (F22)
Delusional Parasitosis - A delusional disorder of belief in infestation by insects or other parasites. This FORMICATION is typically accompanied by dermatological manifestation such as PRURITUS that may lead to self-mutilation in order to remove the perceived parasites. It can be either primary or secondary to a somatic or psychiatric condition.
Delusions - A false belief regarding the self or persons or objects outside the self that persists despite the facts, and is not considered tenable by one's associates.
Instructional Notations
Inclusion Terms Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Delusional dysmorphophobia
- Involutional paranoid state
- Paranoia
- Paranoia querulans
- Paranoid psychosis
- Paranoid state
- Paraphrenia (late)
- Sensitiver Beziehungswahn
Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- mood [affective] disorders with psychotic symptoms F30.2 F31.2 F31.5 F31.64 F32.3 F33.3
- paranoid schizophrenia F20.0
