2027 ICD-10-CM Diagnosis Code F45.42Pain disorder with related psychological factors
ICD-10-CM Codes›F01–F99›F40-F48›F45
- Billable — Valid for Submission
- Not Chronic
F45.42 is a billable ICD-10-CM diagnosis code for pain disorder with related psychological factors. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 882. Coders also document this condition as difficulty coping. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Somatic disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Difficulty coping
- Difficulty coping with pain
- Finding related to ability to cope with pain
- Health management deficit
- Pain disorder with psychological factor
- Pain self-management deficit, acute
- Pain self-management deficit, chronic
- Psychosocial dysfunction due to chronic pain
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F45.42: its own notes plus those printed at F45.4, F45, and Chapter 5. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- disorders of psychological development
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- 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)
Code Also
A second code may be needed to fully describe the condition; the note gives no sequencing direction.
- associated acute or chronic pain (G89.-)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name F45.42, its category, or a range that includes it.
Excludes2 2
These codes carry an Excludes2 note naming F45.42: its condition is not part of those codes, and both may be reported when the patient has both.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disorder (of) See Also: Disease;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Somatoform Disorders
disorders having the presence of physical symptoms that suggest a general medical condition but that are not fully explained by another medical condition, by the direct effects of a substance, or by another mental disorder. the medically unexplained symptoms must cause clinically significant distress or impairment in social, occupational, or other areas of functioning. in contrast to factitious disorders and malingering, the physical symptoms are not under voluntary control. (apa, dsm-v)
Patient EducationClinical
Mental Disorders
Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day..
The full article covers:
- What are mental disorders?
- What are some types of mental disorders?
- What causes mental disorders?
- Who is at risk for mental disorders?
- How are mental disorders diagnosed?
- What are the treatments for mental disorders?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert F45.42 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F45.42Overview
What is the ICD-10 code for pain disorder with related psychological factors?
The ICD-10-CM code for pain disorder with related psychological factors is F45.42 (sometimes written as F4542). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F45.42 (Pain disorders related to psychological factors) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report pain disorder with related psychological factors on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F45.42 group to?
When pain disorder with related psychological factors is the principal diagnosis on an inpatient stay, it groups to MS-DRG 882 (neuroses Except Depressive), which carries a relative weight of 0.9953. Higher weights mean higher Medicare reimbursement.
Can F45.42 be reported with R52?
Not as a rule. The Excludes1 note at F45.4, which applies to F45.42, lists "pain NOS (R52)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of F45.42?
Under the General Equivalence Mappings, pain disorder with related psychological factors converts to ICD-9-CM 307.89 (psychogenic pain NEC). The mapping is approximate, so confirm the match fits the documentation.
