F45.8

Other somatoform disorders

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 15 never code together

F45.8code

Excludes1

sleep related teeth grinding (G47.63)G47.63 G47.63

F45code

Excludes2

dissociative and conversion disorders (F44.-)F44.-
factitious disorders (F68.1-, F68.A)F68.1-F68.A
hair-plucking (F63.3)F63.3
lalling (F80.0)F80.0
lisping (F80.0)F80.0
malingering [conscious simulation] (Z76.5)Z76.5
nail-biting (F98.8)F98.8
psychological or behavioral factors associated with disorders or diseases classified elsewhere (F54)F54
sexual dysfunction, not due to a substance or known physiological condition (F52.-)F52.-
thumb-sucking (F98.8)F98.8
tic disorders (in childhood and adolescence) (F95.-)F95.-
Tourette's syndrome (F95.2)F95.2
trichotillomania (F63.3)F63.3

F01-F99chapter

Excludes2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 7

F45.8code

Inclusion terms

Psychogenic dysmenorrhea
Psychogenic dysphagia, including 'globus hystericus'
Psychogenic pruritus
Psychogenic torticollis
Somatoform autonomic dysfunction
Teeth grinding

F01-F99chapter

Includes

disorders of psychological development

Index entries leading here 121

Colic (bilious) (infantile) (intestinal) (recurrent) (spasmodic) R10.83
- abdomen R10.83
  - psychogenic F45.8
- psychogenic F45.8
- hysterical F45.8
Achlorhydria, achlorhydric (neurogenic) K31.83
- psychogenic F45.8
Achylia gastrica K31.89
- psychogenic F45.8
Acid
- stomach K30
  - psychogenic F45.8
Acidity, gastric (high) K30
- psychogenic F45.8
Action, heart
- irregular I49.9
  - psychogenic F45.8
Aerophagy, aerophagia (psychogenic) F45.8
Air
- hunger, psychogenic F45.8
Hunger T73.0
- air, psychogenic F45.8
Anacidity, gastric K31.83
- psychogenic F45.8
Angioneurosis F45.8
Pruritus, pruritic (essential) L29.9
- ani, anus L29.0
  - psychogenic F45.8
- anogenital L29.3
  - psychogenic F45.8
- neurogenic (any site) F45.8
- scroti, scrotum L29.1
  - psychogenic F45.8
- vulva, vulvae L29.2
  - psychogenic F45.8
- specified NEC L29.89
  - psychogenic F45.8
- psychogenic (any site) F45.8
Spasm (s) , spastic, spasticity R25.2
- anus, ani (sphincter) (reflex) K59.4
  - psychogenic F45.8
- bladder (sphincter, external or internal) N32.89
  - psychogenic F45.8
- colon K58.9
  - psychogenic F45.8
- diaphragm (reflex) R06.6
  - psychogenic F45.8
- esophagus (diffuse) K22.4
  - psychogenic F45.8
- gastrointestinal (tract) K31.89
  - psychogenic F45.8
- glottis J38.5
  - psychogenic F45.8
- throat J39.2
  - hysterical F45.8
  - psychogenic F45.8
- pharynx (reflex) J39.2
  - hysterical F45.8
  - psychogenic F45.8
- intestinal K58.9
  - psychogenic F45.8
- larynx, laryngeal J38.5
  - psychogenic F45.8
- nervous F45.8
- stomach K31.89
  - neurotic F45.8
- oculogyric H51.8
  - psychogenic F45.8
- rectum (sphincter) K59.4
  - psychogenic F45.8
- pylorus NEC K31.3
  - psychogenic F45.8
- psychogenic F45.8
- sigmoid K58.9
  - psychogenic F45.8
Relaxation
- anus (sphincter) K62.89
  - psychogenic F45.8
Apepsia K30
- psychogenic F45.8
Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) I49.9
- psychogenic F45.8
Asthenia, asthenic R53.1
- heart I50.9
  - psychogenic F45.8
- neurocirculatory F45.8
- cardiac I50.9
  - psychogenic F45.8
- cardiovascular I50.9
  - psychogenic F45.8
- myocardial I50.9
  - psychogenic F45.8
Atonia, atony, atonic
- cecum K59.89
  - psychogenic F45.8
- stomach K31.89
  - neurotic or psychogenic F45.8
- intestine K59.89
  - psychogenic F45.8
Dysfunction
- autonomic
  - somatoform F45.8
- colon K59.9
  - psychogenic F45.8
- stomach K31.89
  - psychogenic F45.8
- rectum K59.9
  - psychogenic F45.8
- somatoform autonomic F45.8
Neurosis, neurotic F48.9
- bladder F45.8
- cardiac (reflex) F45.8
- cardiovascular F45.8
- colon F45.8
- cutaneous F45.8
- gastric F45.8
- gastrointestinal F45.8
- heart F45.8
- incoordination F45.8
  - larynx F45.8
  - vocal cord F45.8
- intestine F45.8
- larynx (sensory) F45.8
- musculoskeletal F45.8
- ocular NEC F45.8
- vasomotor F45.8
- visceral F45.8
- pharynx F45.8
- rectum F45.8
- respiratory F45.8
- rumination F45.8
- stomach F45.8
Disease, diseased — see also Syndrome
- bowel K63.9
  - functional K59.9
    - psychogenic F45.8
- gastrointestinal (tract) K92.9
  - functional K59.9
    - psychogenic F45.8
- heart (organic) I51.9
  - functional I51.89
    - psychogenic F45.8
  - psychogenic (functional) F45.8
- intestine K63.9
  - functional K59.9
    - psychogenic F45.8
- esophagus K22.9
  - psychogenic F45.8
- stomach K31.9
  - functional, psychogenic F45.8
- Rossbach's (hyperchlorhydria) K31.89
  - psychogenic F45.8
Syndrome — see also Disease
- irritable
  - bowel K58.9
    - psychogenic F45.8
  - heart (psychogenic) F45.8
- effort (psychogenic) F45.8
- hyperventilation F45.8
Complaint — see also Disease
- bowel, functional K59.9
  - psychogenic F45.8
- intestine, functional K59.9
  - psychogenic F45.8
Irritable, irritability R45.4
- bowel (syndrome) K58.9
  - psychogenic F45.8
- colon K58.9
  - psychogenic F45.8
- heart (psychogenic) F45.8
- stomach K31.89
  - psychogenic F45.8
Bruxism
- psychogenic F45.8
Neurasthenia F48.8
- cardiac F45.8
- gastric F45.8
- heart F45.8
Disorder (of) — see also Disease
- psychogenic NOS F45.9
  - cardiovascular (system) F45.8
  - digestive (system) F45.8
  - dyspneic F45.8
  - dysmenorrheic F45.8
  - eye NEC F45.8
  - functional NEC F45.8
  - gastric F45.8
  - gastrointestinal (system) F45.8
  - genitourinary (system) F45.8
  - heart (function) (rhythm) F45.8
  - hyperventilatory F45.8
  - intestinal F45.8
  - joint F45.8
  - limb F45.8
  - lymphatic (system) F45.8
  - menstrual F45.8
  - micturition F45.8
  - muscle F45.8
  - musculoskeletal F45.8
  - neurocirculatory F45.8
  - organ or part of body NEC F45.8
  - physical NEC F45.8
  - rectal F45.8
  - respiratory (system) F45.8
  - rheumatic F45.8
  - specified part of body NEC F45.8
  - stomach F45.8
- digestive (system) K92.9
  - psychogenic F45.8
- esophagus K22.9
  - psychogenic F45.8
- gastric (functional) K31.9
  - psychogenic F45.8
- gastrointestinal (functional) NOS K92.9
  - psychogenic F45.8
- genitourinary system
  - psychogenic F45.8
- intestine, intestinal
  - psychogenic F45.8
- joint M25.9
  - psychogenic F45.8
- menstrual N92.6
  - psychogenic F45.8
- micturition NEC R39.198
  - psychogenic F45.8
- muscle M62.9
  - psychogenic F45.8
- musculoskeletal system, soft tissue — see Disorder, soft tissue
  - psychogenic F45.8
- respiratory function, impaired — see also Failure, respiration
  - psychogenic F45.8
- sense of smell R43.1
  - psychogenic F45.8
- somatoform F45.9
  - specified NEC F45.8
Cramp (s) R25.2
- colic R10.83
  - psychogenic F45.8
- intestinal — see Pain, abdominal
  - psychogenic F45.8
- muscle (limb) (general) R25.2
  - psychogenic F45.8
Collapse R55
- neurocirculatory F45.8
Dilatation
- colon K59.39
  - psychogenic F45.8
- jejunum K59.89
  - psychogenic F45.8
- ileum K59.89
  - psychogenic F45.8
- stomach K31.89
  - psychogenic F45.8
Hypermobility, hypermotility
- colon — see Syndrome, irritable bowel
  - psychogenic F45.8
- stomach K31.89
  - psychogenic F45.8
- intestine K58.9
  - psychogenic F45.8
Constipation (atonic) (neurogenic) (simple) (spastic) K59.00
- psychogenic F45.8
Contraction (s) , contracture, contracted
- stomach K31.89
  - hourglass K31.89
    - psychogenic F45.8
  - psychogenic F45.8
- muscle (postinfective) (postural) NEC M62.40
  - psychogenic F45.8
- hourglass
  - stomach K31.89
    - psychogenic F45.8
- pylorus NEC — see also Pylorospasm
  - psychogenic F45.8
Cough (affected) (epidemic) (nervous) R05.9
- hysterical F45.8
- functional F45.8
- psychogenic F45.8
Crisis
- oculogyric H51.8
  - psychogenic F45.8
Da Costa's syndrome F45.8
Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
- psychogenic F45.8
- nervous F45.8
- functional K59.1
  - psychogenic F45.8
Disturbance (s) — see also Disease
- digestive K30
  - psychogenic F45.8
- ocular motion H51.9
  - psychogenic F45.8
- gastrointestinal (functional) K30
  - psychogenic F45.8
- oculomotor H51.9
  - psychogenic F45.8
- oculogyric H51.8
  - psychogenic F45.8
Menstruation
- disorder N93.9
  - psychogenic F45.8
- painful N94.6
  - psychogenic F45.8
Micturition
- disorder NEC R39.198
  - psychogenic F45.8
- frequency R35.0
  - psychogenic F45.8
- painful R30.9
  - psychogenic F45.8
Respiration
- disorder of, psychogenic F45.8
- sighing, psychogenic F45.8
Distension, distention
- stomach K31.89
  - psychogenic F45.8
Distress
- gastrointestinal (functional) K30
  - psychogenic F45.8
- intestinal (functional) NOS K59.9
  - psychogenic F45.8
- respiratory (adult) (child) R06.03
  - psychogenic F45.8
Dizziness R42
- psychogenic F45.8
Dysmenorrhea (essential) (exfoliative) N94.6
- psychogenic F45.8
Dyspepsia R10.13
- psychogenic F45.8
- nervous F45.8
- neurotic F45.8
Dysphagia R13.10
- hysterical F45.8
- psychogenic F45.8
- nervous (hysterical) F45.8
- functional (hysterical) F45.8
Dyspnea (nocturnal) (paroxysmal) R06.00
- functional F45.8
- psychogenic F45.8
- hysterical F45.8
Dysuria R30.0
- psychogenic F45.8
Effort syndrome (psychogenic) F45.8
Enterospasm — see also Syndrome, irritable, bowel
- psychogenic F45.8
Eructation R14.2
- nervous or psychogenic F45.8
Pregnancy (single) (uterine) Z33.1
- false F45.8
False — see also condition
- pregnancy F45.8
Flatulence R14.3
- psychogenic F45.8
Frequency micturition (nocturnal) R35.0
- psychogenic F45.8
Gastrectasis K31.0
- psychogenic F45.8
Hypersecretion
- gastric K31.89
  - psychogenic F45.8
Irritation
- gastric K31.89
  - psychogenic F45.8
- stomach K31.89
  - psychogenic F45.8
Hypersensitive, hypersensitiveness, hypersensitivity — see also Allergy
- gastrointestinal K52.29
  - psychogenic F45.8
Upset
- gastrointestinal K30
  - psychogenic F45.8
- intestinal (large) (small) K59.9
  - psychogenic F45.8
- stomach K30
  - psychogenic F45.8
Hyperactive, hyperactivity F90.9
- gastrointestinal K31.89
  - psychogenic F45.8
Hypomotility
- gastrointestinal (tract) K31.89
  - psychogenic F45.8
- intestine K59.89
  - psychogenic F45.8
- stomach K31.89
  - psychogenic F45.8
Gastrorrhagia K92.2
- psychogenic F45.8
Gastrospasm (neurogenic) (reflex) K31.89
- neurotic F45.8
- psychogenic F45.8
Gastrosuccorrhea (continuous) (intermittent) K31.89
- psychogenic F45.8
- neurotic F45.8
Giddiness R42
- psychogenic F45.8
Globus (hystericus) F45.8
Teeth — see also condition
- grinding
  - psychogenic F45.8
Grinding, teeth
- psychogenic F45.8
Soldier's
- heart F45.8
Neurogenic — see also condition
- heart F45.8
Nervous R45.0
- heart F45.8
- stomach F45.8
Rapid
- heart (beat) R00.0
  - psychogenic F45.8
Heartburn R12
- psychogenic F45.8
Hiccup, hiccough R06.6
- psychogenic F45.8
Hyperacidity (gastric) K31.89
- psychogenic F45.8
Hyperchlorhydria K31.89
- neurotic F45.8
- psychogenic F45.8
Hyperchylia gastrica, psychogenic F45.8
Hyperemesis R11.10
- psychogenic F45.8
Hyperhidrosis, hyperidrosis R61
- psychogenic F45.8
Hyperperistalsis R19.2
- psychogenic F45.8
Tetany (due to) R29.0
- hyperpnea R06.4
  - psychogenic F45.8
Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
- psychogenic F45.8
Hypertony, hypertonia, hypertonicity
- stomach K31.89
  - psychogenic F45.8
Hyperventilation (tetany) R06.4
- hysterical F45.8
- psychogenic F45.8
- syndrome F45.8
Hypoacidity, gastric K31.89
- psychogenic F45.8
Hypochlorhydria K31.89
- psychogenic F45.8
- neurotic F45.8
Ptyalism (periodic) K11.7
- hysterical F45.8
- psychogenic F45.8
Tachypnea R06.82
- hysterical F45.8
- psychogenic F45.8
Incontinence R32
- psychogenic F45.8
Indigestion (acid) (bilious) (functional) K30
- nervous F45.8
- psychogenic F45.8
Inertia
- stomach K31.89
  - psychogenic F45.8
Painful — see also Pain
- menstruation — see Dysmenorrhea
  - psychogenic F45.8
Metrorrhagia N92.1
- psychogenic F45.8
Myasthenia G70.9
- stomach, psychogenic F45.8
Neurocirculatory asthenia F45.8
Pylorospasm (reflex) NEC K31.3
- neurotic F45.8
- psychogenic F45.8
Nocturia R35.1
- psychogenic F45.8
Nycturia R35.1
- psychogenic F45.8
Oculogyric crisis or disturbance H51.8
- psychogenic F45.8
Palpitations (heart) R00.2
- psychogenic F45.8
Parageusia R43.2
- psychogenic F45.8
Parosmia R43.1
- psychogenic F45.8
Perversion, perverted
- sense of smell and taste R43.8
  - psychogenic F45.8
Tumor — see also Neoplasm, unspecified behavior, by site
- phantom F45.8
Pneumophagia (psychogenic) F45.8
Pollakiuria R35.0
- psychogenic F45.8
Polyuria R35.89
- psychogenic F45.8
Proctospasm K59.4
- psychogenic F45.8
Prurigo (ferox) (gravis) (Hebrae) (Hebra's) (mitis) (simplex) L28.2
- psychogenic F45.8
Pseudocyesis F45.8
Subacidity, gastric K31.89
- psychogenic F45.8
Sighing R06.89
- psychogenic F45.8
Tachycardia R00.0
- psychogenic F45.8
Rossbach's disease K31.89
- psychogenic F45.8
Retention — see also Retained
- urine R33.9
  - psychogenic F45.8
Torticollis (intermittent) (spastic) M43.6
- psychogenic F45.8
Yawning R06.89
- psychogenic F45.8
Urine
- retention or stasis R33.9
  - psychogenic F45.8
Vasovagal attack (paroxysmal) R55
- psychogenic F45.8

Alongside this code 5 same parent — F45

F45.0 Somatization disorder F45.1 Undifferentiated somatoform disorder F45.2 Hypochondriacal disorders category F45.4 Pain disorders related to psychological factors category F45.9 Somatoform disorder, unspecified

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

This code

Billable: yes
Code set: FY2026
Parent: F45
Block: F40-F48
Siblings: 5

Present FY2024–FY2027.

F45.8

Risk adjustment

This code