F42.8
BillableOther obsessive-compulsive disorder
HCC Category Mapping
RxHCCHCC 133 — Personality Disorders, Anxiety, and Other Specified Mental Disorders
0.000What This Code Means
This code is used for obsessive-compulsive disorder presentations that have specific features but don't fit the standard OCD categories.
Coding Tips
Clinical Significance
Other obsessive-compulsive disorder captures OCD presentations that are predominantly obsessional or predominantly compulsive, or atypical OCD presentations not classified elsewhere. This includes primarily obsessional OCD ('pure O') where intrusive thoughts dominate without prominent rituals, or primarily compulsive presentations. It does not carry risk adjustment value.
Documentation Requirements
- ✓Specific obsessive-compulsive symptoms documented
- ✓Description of whether obsessions or compulsions predominate, or the atypical nature of the presentation
- ✓Time consumed by symptoms and their impact on functioning
- ✓Distinction from other OCD-related disorders (hoarding, excoriation, body dysmorphic disorder)
- ✓Current treatment approach
- ✓Why the presentation does not fit F42.2 (mixed) or other specific OCD codes
Commonly Confused Codes
F42.2 (Mixed obsessional thoughts and acts) — Use F42.2 when both obsessions and compulsions are equally present; F42.8 when one predominates or presentation is atypicalF42.9 (Obsessive-compulsive disorder, unspecified) — F42.8 is 'other specified'; F42.9 is 'unspecified'F42.3 (Hoarding disorder) — Use specific hoarding code, not F42.8F42.4 (Excoriation disorder) — Use specific excoriation code, not F42.8
Code Hierarchy
└F42Obsessive-compulsive disorder└F42.8Other obsessive-compulsive disorder
└F42.8Other obsessive-compulsive disorder