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ICD-10 diagnosis code

F45.4 Persistent somatoform pain disorder

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F45.4 is the ICD-10 code for Persistent somatoform pain disorder. It is a four-character subcategory of F45 (Somatoform disorders), the most specific level in the WHO edition. It belongs to the block F40–F48 (Neurotic, stress-related and somatoform disorders) in Chapter V, Mental and behavioural disorders.

Code type
Subcategory (4 characters)
Chapter
V · F00–F99
Classification
WHO ICD-10, 2019 version

Definition

The predominant complaint is of persistent, severe, and distressing pain, which cannot be explained fully by a physiological process or a physical disorder, and which occurs in association with emotional conflict or psychosocial problems that are sufficient to allow the conclusion that they are the main causative influences. The result is usually a marked increase in support and attention, either personal or medical. Pain presumed to be of psychogenic origin occurring during the course of depressive disorders or schizophrenia should not be included here.

What F45.4 includes

Conditions and terms that are coded here.

  • Psychalgia
  • Psychogenic:
    • backache
    • headache
  • Somatoform pain disorder

What F45.4 excludes

Conditions that look similar but belong under another code.

F45.4 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

F45.4Kroniskt somatoformt smärtsyndrom

NorwayICD-10-NO

F45.4Vedvarende somatoform smertelidelse

DenmarkICD-10-DK

DF454Vedvarende somatoform smertetilstand

FinlandICD-10-FI

F45.4Pitkäaikainen kipuoireyhtymä

GermanyICD-10-GM

F45.4Anhaltende Schmerzstörung

  • F45.40Anhaltende somatoforme Schmerzstörung
  • F45.41Chronische Schmerzstörung mit somatischen und psychischen Faktoren
FranceICD-10-FR

F45.4Syndrome douloureux somatoforme persistant

NetherlandsICD-10-NL

F45.4persisterende somatoforme pijnstoornis

United StatesICD-10-CM

Listed through more specific codes:

  • F45.41Pain disorder exclusively related to psychological factors
  • F45.42Pain disorder with related psychological factors

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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