2027 ICD-10-CM Diagnosis Code F40.298Other specified phobia
ICD-10-CM Codes›F01–F99›F40-F48›F40
- Billable — Valid for Submission
- Chronic Condition
F40.298 is a billable ICD-10-CM diagnosis code for other specified phobia. 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.
F40.298 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
F40.298 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.
- Algophobia
- Anxiety about blushing
- Bromidrosiphobia
- Cutaneous hypochondriasis
- Erotic interest - finding
- Erotophobia
- Erythrophobia
- Examination fear
- Excessive fear of infestation of skin by parasites
- Fear associated with illness and body function
- Fear of abuse
- Fear of activities in public
- Fear of being left alone
- Fear of being left alone during period of dependence
- Fear of body smell
- Fear of cancer of endocrine system
- Fear of cancer of neurological system
- Fear of cancer of respiratory system
- Fear of cancer of urinary system
- Fear of cardiovascular disease
- Fear of choking
- Fear of complications of pregnancy
- Fear of contracting disease
- Fear of contracting disease caused by severe acute respiratory syndrome coronavirus 2
- Fear of contracting HIV infection
- Fear of contracting radiation sickness
- Fear of contracting sexually transmitted disease
- Fear of deafness
- Fear of death
- Fear of diabetes mellitus
- Fear of disconnection from ventilator
- Fear of drinking liquids due to dysphagia
- Fear of ear disease
- Fear of eating in public
- Fear of endocrine disease
- Fear of feathers
- Fear of getting cancer
- Fear of ghosts
- Fear of going crazy
- Fear of going out
- Fear of having a heart attack
- Fear of having cancer of digestive system
- Fear of having digestive disease
- Fear of having malignant neoplasm of lymphatic system
- Fear of heart disease
- Fear of hematological cancer
- Fear of hematological disease
- Fear of hypertension
- Fear of infection
- Fear of losing control of bowels
- Fear of losing control of bowels in public
- Fear of mental disorder
- Fear of metabolic disease
- Fear of musculoskeletal cancer
- Fear of musculoskeletal disease
- Fear of needles
- Fear of neurological disease
- Fear of nutritional disease
- Fear of pregnancy
- Fear of reaction regarding family planning choices
- Fear of respiratory disease
- Fear of surgical masks
- Fear of swallowing
- Fear of sweating
- Fear of the bogey man
- Fear of urinary disease
- Fear of wetting self
- Fear of wetting self in public
- Fear relating to body function
- Hair phobia
- Heightened global phobia
- Hypochondriasis
- Microphobia
- Mysophobia
- Noise phobia
- Performance anxiety
- Phobia of choking
- Phobic fear of skin cancer
- Phonophobia
- Ponophobia
- Primary tocophobia
- Pyrophobia
- Secondary tocophobia
- Simple phobia
- Syphilophobia
- Taphophobia
- Teratophobia
- Theophobia
- Tocophobia
- Toxicophobia
- Venereophobia
- Xenophobia
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to F40.298: its own notes plus those printed at F40.2 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
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 F40.298, its category, or a range that includes it.
Excludes2 3
These codes carry an Excludes2 note naming F40.298: 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 childhood
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Acerophobia F40.298
Acousticophobia F40.298
Aichomophobia F40.298
Albuminurophobia F40.298
Algophobia F40.298
Bromidrosiphobia F40.298
Coprophobia F40.298
Erythrophobia F40.298
Gamophobia F40.298
examination F40.298
simple F40.298
specific (isolated) F40.298
specified focus NEC F40.298
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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 F40.298 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F40.298Overview
What is the ICD-10 code for other specified phobia?
The ICD-10-CM code for other specified phobia is F40.298 (sometimes written as F40298). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is F40.298 (Other specified phobia) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified phobia on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does F40.298 group to?
When other specified phobia 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 F40.298?
Under the General Equivalence Mappings, other specified phobia converts to ICD-9-CM 300.29 (isolated/spec phobia NEC). The mapping is approximate, so confirm the match fits the documentation.
Does F40.298 risk-adjust for Medicare Advantage payment?
Not for Medicare Advantage: F40.298 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).
