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B25.0

Cytomegaloviral pneumonitis

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 7 never code together
B25code
Excludes1
  • congenital cytomegalovirus infection (P35.1)P35.1
  • cytomegaloviral mononucleosis (B27.1-)B27.1-
A00-B99chapter
Excludes1
  • certain localized infections - see body system-related chapters
Excludes2
  • carrier or suspected carrier of infectious disease (Z22.-)Z22.-
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
  • influenza and other acute respiratory infections (J00-J22)J00-J22

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 2
A00-B99chapter
Includes
  • diseases generally recognized as communicable or transmissible
Use additional code
  • code to identify resistance to antimicrobial drugs (Z16.-)Z16.-
Index entries leading here 2
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
    • cytomegalic inclusion B25.0
    • cytomegaloviral B25.0
    • in (due to)
      • cytomegalovirus disease B25.0
  • Disease, diseased — see also Syndrome
    • cytomegalic inclusion (generalized) B25.9
Alongside this code 4 same parent — B25
B25.1 Cytomegaloviral hepatitis B25.2 Cytomegaloviral pancreatitis B25.8 Other cytomegaloviral diseases B25.9 Cytomegaloviral disease, unspecified
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS22HCC6 CMS28HCC6 ESRD21HCC6 ESRD24HCC6 RX08HCC5

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
B25
Block
B25-B34
Siblings
4

Present FY2024–FY2027.