2021 ICD-10-CM Diagnosis Code F45.42

Pain disorder with related psychological factors

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • F45.42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM F45.42 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of F45.42 - other international versions of ICD-10 F45.42 may differ.
Code Also
Code Also Help
A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
  • associated acute or chronic pain (
    ICD-10-CM Diagnosis Code G89
    • G89 Pain, not elsewhere classified
      • G89.0 Central pain syndrome
      • G89.1 Acute pain, not elsewhere classified
        • G89.11 Acute pain due to trauma
        • G89.12 Acute post-thoracotomy pain
        • G89.18 Other acute postprocedural pain
      • G89.2 Chronic pain, not elsewhere classified
        • G89.21 Chronic pain due to trauma
        • G89.22 Chronic post-thoracotomy pain
        • G89.28 Other chronic postprocedural pain
        • G89.29 Other chronic pain
      • G89.3 Neoplasm related pain (acute) (chronic)
      • G89.4 Chronic pain syndrome
    G89.-
    )
The following code(s) above F45.42 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to F45.42:
  • F01-F99
    2021 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    Includes
    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
  • F45
    ICD-10-CM Diagnosis Code F45

    Somatoform disorders

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • 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)
    Somatoform disorders
  • F45.4
    ICD-10-CM Diagnosis Code F45.4

    Pain disorders related to psychological factors

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Pain disorders related to psychological factors
Approximate Synonyms
  • Pain disorder
  • Pain disorder assoc w medical and psychological disorders
  • Pain disorder associated with medical and psychological disorder
  • Pain disorder with psychological factor
  • Pain disorder with psychological factors
ICD-10-CM F45.42 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 882 Neuroses except depressive

Convert F45.42 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to F45.42:
  • Code Also: G89
    ICD-10-CM Diagnosis Code G89

    Pain, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • related psychological factors associated with pain (F45.42)
    Type 1 Excludes
    • generalized pain NOS (R52)
    • pain disorders exclusively related to psychological factors (F45.41)
    • pain NOS (R52)
    Type 2 Excludes

Diagnosis Index entries containing back-references to F45.42:

ICD-10-CM Codes Adjacent To F45.42
F45 Somatoform disorders
F45.0 Somatization disorder
F45.1 Undifferentiated somatoform disorder
F45.2 Hypochondriacal disorders
F45.20 Hypochondriacal disorder, unspecified
F45.21 Hypochondriasis
F45.22 Body dysmorphic disorder
F45.29 Other hypochondriacal disorders
F45.4 Pain disorders related to psychological factors
F45.41 Pain disorder exclusively related to psychological factors
F45.42 Pain disorder with related psychological factors
F45.8 Other somatoform disorders
F45.9 Somatoform disorder, unspecified
F48 Other nonpsychotic mental disorders
F48.1 Depersonalization-derealization syndrome
F48.2 Pseudobulbar affect
F48.8 Other specified nonpsychotic mental disorders
F48.9 Nonpsychotic mental disorder, unspecified
F50 Eating disorders
F50.0 Anorexia nervosa
F50.00 …… unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.