ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
B25-B34 Other viral diseases
B25- Cytomegaloviral disease
2021 ICD-10-CM Diagnosis Code B25.0

2021 ICD-10-CM Diagnosis Code B25.0

Cytomegaloviral pneumonitis

2016

2017

2018

2019

2020

2021

Billable/Specific Code

B25.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM B25.0 became effective on October 1, 2020.
This is the American ICD-10-CM version of B25.0 - other international versions of ICD-10 B25.0 may differ.

The following code(s) above B25.0 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to B25.0:

A00-B99
2021 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- 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)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
B25
ICD-10-CM Diagnosis Code B25
Cytomegaloviral disease
Type 1 Excludes
- congenital cytomegalovirus infection (P35.1)
- cytomegaloviral mononucleosis (B27.1-)
Cytomegaloviral disease

Approximate Synonyms

Cytomegaloviral pneumonia
Cytomegalovirus (cmv) pneumonia

ICD-10-CM B25.0 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

177 Respiratory infections and inflammations with mcc
178 Respiratory infections and inflammations with cc
179 Respiratory infections and inflammations without cc/mcc

Convert B25.0 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Code annotations containing back-references to B25.0:

Type 1 Excludes: J17

ICD-10-CM Diagnosis Code J17
Pneumonia in diseases classified elsewhere
Code First
- underlying disease, such as:
- Q fever (A78)
- rheumatic fever (I00)
- schistosomiasis (B65.0-B65.9)
Type 1 Excludes
- candidial pneumonia (B37.1)
- chlamydial pneumonia (J16.0)
- gonorrheal pneumonia (A54.84)
- histoplasmosis pneumonia (B39.0-B39.2)
- measles pneumonia (B05.2)
- nocardiosis pneumonia (A43.0)
- pneumocystosis (B59)
- pneumonia due to Pneumocystis carinii (B59)
- pneumonia due to Pneumocystis jiroveci (B59)
- pneumonia in actinomycosis (A42.0)
- pneumonia in anthrax (A22.1)
- pneumonia in ascariasis (B77.81)
- pneumonia in aspergillosis (B44.0-B44.1)
- pneumonia in coccidioidomycosis (B38.0-B38.2)
- pneumonia in cytomegalovirus disease (B25.0)
- pneumonia in toxoplasmosis (B58.3)
- rubella pneumonia (B06.81)
- salmonella pneumonia (A02.22)
- spirochetal infection NEC with pneumonia (A69.8)
- tularemia pneumonia (A21.2)
- typhoid fever with pneumonia (A01.03)
- varicella pneumonia (B01.2)
- whooping cough with pneumonia (A37 with fifth-character 1)

Diagnosis Index entries containing back-references to B25.0:

Disease, diseased - see also Syndrome
- cytomegalic inclusion (generalized) B25.9
  ICD-10-CM Diagnosis Code B25.9
  Cytomegaloviral disease, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - with pneumonia B25.0
Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
ICD-10-CM Diagnosis Code J18.9
Pneumonia, unspecified organism
- in (due to)
  - cytomegalovirus disease B25.0
- cytomegalic inclusion B25.0
- cytomegaloviral B25.0

ICD-10-CM Codes Adjacent To B25.0

B19.0 Unspecified viral hepatitis with hepatic coma

B19.1 Unspecified viral hepatitis B

B19.10 …… without hepatic coma

B19.11 …… with hepatic coma

B19.2 Unspecified viral hepatitis C

B19.20 …… without hepatic coma

B19.21 …… with hepatic coma

B19.9 Unspecified viral hepatitis without hepatic coma

B20 Human immunodeficiency virus [HIV] disease

B25 Cytomegaloviral disease

B25.0 Cytomegaloviral pneumonitis

B25.1 Cytomegaloviral hepatitis

B25.2 Cytomegaloviral pancreatitis

B25.8 Other cytomegaloviral diseases

B25.9 Cytomegaloviral disease, unspecified

B26 Mumps

B26.0 Mumps orchitis

B26.1 Mumps meningitis

B26.2 Mumps encephalitis

B26.3 Mumps pancreatitis

B26.8 Mumps with other complications

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code B25.0

Cytomegaloviral pneumonitis

Certain infectious and parasitic diseases

Cytomegaloviral disease

Pneumonia in diseases classified elsewhere

Cytomegaloviral disease, unspecified

Pneumonia, unspecified organism