A39.1 – Waterhouse-Friderichsen syndrome
ICD-10-CM 2027 diagnosis code · Other bacterial diseases
ICD-10-CM code
A39.1
- Code
A39.1(claims format:A391)- Description
- Waterhouse-Friderichsen syndrome
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A30-A49 Other bacterial diseases
- Parent codes
- A39
Notes for A39.1
Applicable to:
- Meningococcal hemorrhagic adrenalitis
- Meningococcic adrenal syndrome
Index terms for A39.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Waterhouse
- Syndrome, Waterhouse
- Syndrome, adrenal, hemorrhage
- Syndrome, adrenal, meningococcic
- Syndrome, Friderichsen-Waterhouse
- Sepsis, adrenal hemorrhage syndrome
- Syndrome, septicemic adrenal hemorrhage
- Apoplexia, apoplexy, apoplectic, adrenal
- Disease, diseased, Waterhouse-Friderichsen
- Friderichsen-Waterhouse syndrome or disease
- Adrenalitis, adrenitis, meningococcal, hemorrhagic
- Meningococcus, meningococcal, adrenalitis, hemorrhagic
- Infection, infected, infective, meningococcal, adrenals
Related codes in A39
Frequently asked questions
What is ICD-10 code A39.1?
A39.1 is the ICD-10-CM code for waterhouse-Friderichsen syndrome, in the block A30-A49 (Other bacterial diseases).
Is A39.1 a billable code?
Yes. A39.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A39.1 belong to?
It belongs to category A39 – Meningococcal infection.
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.