F45.42
Pain disorder with related psychological factors
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
associated acute or chronic pain (G89.-)
pain NOS (R52)
dissociative and conversion disorders (F44.-) factitious disorders (F68.1-, F68.A) hair-plucking (F63.3) lalling (F80.0) lisping (F80.0) malingering [conscious simulation] (Z76.5) nail-biting (F98.8) psychological or behavioral factors associated with disorders or diseases classified elsewhere (F54) sexual dysfunction, not due to a substance or known physiological condition (F52.-) thumb-sucking (F98.8) tic disorders (in childhood and adolescence) (F95.-) Tourette's syndrome (F95.2) trichotillomania (F63.3)
disorders of psychological development
symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Official Guidelines for F45.42
FY 2026 ›Sections that reference F45.42
- I.C.5.aPain disorders related to psychological factors
… indicated by the Excludes 1 note under category G89, a code from category G89 should not be assigned with code F45.41. Code F45.42, Pain disorders with related psychological factors, should be used with a code from category G89, Pain, not elsewhere …
- I.A.12.aExcludes1Conventions & general rules
… For example, code F45.8, Other somatoform disorders, has an Excludes1 note for "sleep related teeth grinding (G47.63)," because "teeth grinding" is an …
Sections whose FY 2026 text names F45.42, its F45 category, or a range containing it — the chapter guidance above is the authoritative source.
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