ICD-10 · PDGM grouping
F40-F48 — Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
OASIS-E2 v1.00.0 · ingested 2026-04-26
Codes in range
71
No clinical group
3
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
68 of the 71 codes in F40-F48 group to Behavioral Health. A further 3 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in F40-F48
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| F4000 | Agoraphobia, unspecified | F | Accepted |
| F4001 | Agoraphobia with panic disorder | F | Accepted |
| F4002 | Agoraphobia without panic disorder | F | Accepted |
| F4010 | Social phobia, unspecified | None | Cannot group |
| F4011 | Social phobia, generalized | F | Accepted |
| F40210 | Arachnophobia | F | Accepted |
| F40218 | Other animal type phobia | F | Accepted |
| F40220 | Fear of thunderstorms | F | Accepted |
| F40228 | Other natural environment type phobia | F | Accepted |
| F40230 | Fear of blood | F | Accepted |
| F40231 | Fear of injections and transfusions | F | Accepted |
| F40232 | Fear of other medical care | F | Accepted |
| F40233 | Fear of injury | F | Accepted |
| F40240 | Claustrophobia | F | Accepted |
| F40241 | Acrophobia | F | Accepted |
| F40242 | Fear of bridges | F | Accepted |
| F40243 | Fear of flying | F | Accepted |
| F40248 | Other situational type phobia | F | Accepted |
| F40290 | Androphobia | F | Accepted |
| F40291 | Gynephobia | F | Accepted |
| F40298 | Other specified phobia | F | Accepted |
| F408 | Other phobic anxiety disorders | F | Accepted |
| F409 | Phobic anxiety disorder, unspecified | None | Cannot group |
| F410 | Panic disorder [episodic paroxysmal anxiety] | F | Accepted |
| F411 | Generalized anxiety disorder | F | Accepted |
| F413 | Other mixed anxiety disorders | F | Accepted |
| F418 | Other specified anxiety disorders | F | Accepted |
| F419 | Anxiety disorder, unspecified | F | Accepted |
| F422 | Mixed obsessional thoughts and acts | F | Accepted |
| F423 | Hoarding disorder | F | Accepted |
| F424 | Excoriation (skin-picking) disorder | F | Accepted |
| F428 | Other obsessive-compulsive disorder | F | Accepted |
| F429 | Obsessive-compulsive disorder, unspecified | F | Accepted |
| F430 | Acute stress reaction | F | Accepted |
| F4310 | Post-traumatic stress disorder, unspecified | F | Accepted |
| F4311 | Post-traumatic stress disorder, acute | F | Accepted |
| F4312 | Post-traumatic stress disorder, chronic | F | Accepted |
| F4320 | Adjustment disorder, unspecified | F | Accepted |
| F4321 | Adjustment disorder with depressed mood | F | Accepted |
| F4322 | Adjustment disorder with anxiety | F | Accepted |
| F4323 | Adjustment disorder with mixed anxiety and depressed mood | F | Accepted |
| F4324 | Adjustment disorder with disturbance of conduct | F | Accepted |
| F4325 | Adjustment disorder w mixed disturb of emotions and conduct | F | Accepted |
| F4329 | Adjustment disorder with other symptoms | F | Accepted |
| F4381 | Prolonged grief disorder | F | Accepted |
| F4389 | Other reactions to severe stress | F | Accepted |
| F439 | Reaction to severe stress, unspecified | None | Cannot group |
| F440 | Dissociative amnesia | F | Accepted |
| F441 | Dissociative fugue | F | Accepted |
| F442 | Dissociative stupor | F | Accepted |
| F444 | Conversion disorder with motor symptom or deficit | F | Accepted |
| F445 | Conversion disorder with seizures or convulsions | F | Accepted |
| F446 | Conversion disorder with sensory symptom or deficit | F | Accepted |
| F447 | Conversion disorder with mixed symptom presentation | F | Accepted |
| F4481 | Dissociative identity disorder | F | Accepted |
| F4489 | Other dissociative and conversion disorders | F | Accepted |
| F449 | Dissociative and conversion disorder, unspecified | F | Accepted |
| F450 | Somatization disorder | F | Accepted |
| F451 | Undifferentiated somatoform disorder | F | Accepted |
| F4520 | Hypochondriacal disorder, unspecified | F | Accepted |
| F4521 | Hypochondriasis | F | Accepted |
| F4522 | Body dysmorphic disorder | F | Accepted |
| F4529 | Other hypochondriacal disorders | F | Accepted |
| F4541 | Pain disorder exclusively related to psychological factors | F | Accepted |
| F4542 | Pain disorder with related psychological factors | F | Accepted |
| F458 | Other somatoform disorders | F | Accepted |
| F459 | Somatoform disorder, unspecified | F | Accepted |
| F481 | Depersonalization-derealization syndrome | F | Accepted |
| F482 | Pseudobulbar affect | F | Accepted |
| F488 | Other specified nonpsychotic mental disorders | F | Accepted |
| F489 | Nonpsychotic mental disorder, unspecified | F | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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