F45.20 – Hypochondriacal disorder, unspecified
ICD-10-CM 2027 diagnosis code · Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
- Code
F45.20(claims format:F4520)- Description
- Hypochondriacal disorder, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
- Parent codes
- F45 › F45.2
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F45 – Somatoform disorders
- 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)
F45.2 – Hypochondriacal disorders
Index terms for F45.20
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in F45.2
Frequently asked questions
What is ICD-10 code F45.20?
F45.20 is the ICD-10-CM code for hypochondriacal disorder, unspecified, in the block F40-F48 (Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders).
Is F45.20 a billable code?
Yes. F45.20 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F45.20 belong to?
It belongs to category F45 – Somatoform disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.