A39.1
Waterhouse-Friderichsen syndrome
HCC risk adjustment mapping
CMS-HCC ESRD V24
Other Significant Endocrine and Metabolic Disorders
RxHCC V08
Pituitary, Adrenal Gland, and Other Endocrine and Metabolic Disorders
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Meningococcal hemorrhagic adrenalitis Meningococcic adrenal syndrome
diseases generally recognized as communicable or transmissible
certain localized infections - see body system-related chapters
carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)
code to identify resistance to antimicrobial drugs (Z16.-)
Official Guidelines for A39.1
FY 2026 ›Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections
Find A39.1 in the alphabetic index
13 index paths lead to this code
- Friderichsen-Waterhouse syndrome or disease
- Waterhouse
- Adrenalitis, adrenitis › meningococcal, hemorrhagic
- Apoplexia, apoplexy, apoplectic › adrenal
- Disease, diseased › Waterhouse-Friderichsen
- Meningococcus, meningococcal › adrenalitis, hemorrhagic
- Sepsis › adrenal hemorrhage syndrome
- Syndrome › Friderichsen-Waterhouse
- Syndrome › septicemic adrenal hemorrhage
- Syndrome › Waterhouse
- Infection, infected, infective › meningococcal › adrenals
- Syndrome › adrenal › hemorrhage
- Syndrome › adrenal › meningococcic