2027 ICD-10-CM Diagnosis Code F40.10Social phobia, unspecified
ICD-10-CM Codes›F01–F99›F40-F48›F40
- Billable — Valid for Submission
- Chronic Condition
F40.10 is a billable ICD-10-CM diagnosis code for social phobia, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 882. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anxiety and fear-related disorders.
F40.10 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 for payment year 2027.
Code Identity
Code Classification
Medicare Risk Adjustment (HCC)Billing
F40.10 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.
Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Anxiety disorder of childhood
- Character trait finding of self-consciousness
- Fear of activities in public
- Fear of appearing ridiculous
- Fear of being in a small group
- Fear of being laughed at
- Fear of being watched
- Fear of eating in public
- Fear of public speaking
- Fear of saying the wrong thing
- Fear of social gatherings
- Fear of social group activities
- Fear of speaking on the phone
- Fear of speaking to people in authority
- Fear of writing in public
- Inhibited behavior
- Shyness
- Shyness disorder of childhood
- Social behavior
- Social fear
- Social phobia
- Social phobia, fear of eating in public
- Social phobia, fear of public speaking
- Social phobia, fear of public washing
- Tends to be self-conscious
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F40.10: its own notes plus those printed at 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
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.
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name F40.10, its category, or a range that includes it.
Excludes2 4
These codes carry an Excludes2 note naming F40.10: its condition is not part of those codes, and both may be reported when the patient has both.
- F06.4 Anxiety disorder due to known physiological conditionanxiety disorders, not due to known physiological condition or unspecified (F40.-, F41.-) names F40.-, which includes this code
- F90 Attention-deficit hyperactivity disordersanxiety disorders (F40.-, F41.-) names F40.-, which includes this code
- F93.0 Separation anxiety disorder of childhoodsocial phobia (F40.1) names F40.1, which includes this code
- F93.0 Separation anxiety disorder of childhood
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Anthropophobia F40.10
Disorder (of) See Also: Disease;
child or adolescent F40.10
Disturbance (s) See Also: Disease;
Xenophobia F40.10
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Phobia, Social
anxiety disorder characterized by the persistent and irrational fear, anxiety, or avoidance of social or performance situations.
Patient EducationClinical
Phobias
A phobia is a type of anxiety disorder. It is a strong, irrational fear of something that poses little or no real danger.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert F40.10 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F40.10Overview
What is the ICD-10 code for social phobia, unspecified?
The ICD-10-CM code for social phobia, unspecified is F40.10 (sometimes written as F4010). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F40.10 (Social phobias) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report social phobia, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F40.10 group to?
When social phobia, unspecified 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.
What is the ICD-9 equivalent of F40.10?
Under the General Equivalence Mappings, social phobia, unspecified converts to ICD-9-CM 300.23 (social phobia). The mapping is approximate, so confirm the match fits the documentation.
Does F40.10 risk-adjust for Medicare Advantage payment?
Not for Medicare Advantage: F40.10 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 (Anxiety and Other Psychiatric Disorders).
