ICD-10-CM Codes
A00-B99
B00-B09
B01-
2023 ICD-10-CM Diagnosis Code B01.2

2023 ICD-10-CM Diagnosis Code B01.2

Varicella pneumonia

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

B01.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM B01.2 became effective on October 1, 2022.
This is the American ICD-10-CM version of B01.2 - other international versions of ICD-10 B01.2 may differ.

The following code(s) above B01.2 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 B01.2:

A00-B99
2023 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

Approximate Synonyms

Chickenpox pneumonia
Hemorrhagic varicella pneumonitis
Varicella pneumonia, hemorrhagic

ICD-10-CM B01.2 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

177 Respiratory infections and inflammations with mcc
178 Respiratory infections and inflammations with cc
179 Respiratory infections and inflammations without cc/mcc
791 Prematurity with major problems
793 Full term neonate with major problems

Convert B01.2 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
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to B01.2:

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 B01.2:

Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
ICD-10-CM Diagnosis Code J18.9
Pneumonia, unspecified organism
- in (due to)
  - chickenpox B01.2
  - varicella B01.2
- varicella B01.2
Varicella B01.9
ICD-10-CM Diagnosis Code B01.9
Varicella without complication
Applicable To
Varicella NOS
- with
  - pneumonia B01.2

ICD-10-CM Codes Adjacent To B01.2

B00.8 Other forms of herpesviral infections

B00.81 Herpesviral hepatitis

B00.82 Herpes simplex myelitis

B00.89 Other herpesviral infection

B00.9 Herpesviral infection, unspecified

B01 Varicella [chickenpox]

B01.0 Varicella meningitis

B01.1 Varicella encephalitis, myelitis and encephalomyelitis

B01.11 Varicella encephalitis and encephalomyelitis

B01.12 Varicella myelitis

B01.2 Varicella pneumonia

B01.8 Varicella with other complications

B01.81 Varicella keratitis

B01.89 Other varicella complications

B01.9 Varicella without complication

B02 Zoster [herpes zoster]

B02.0 Zoster encephalitis

B02.1 Zoster meningitis

B02.2 Zoster with other nervous system involvement

B02.21 Postherpetic geniculate ganglionitis

B02.22 Postherpetic trigeminal neuralgia

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

2023 ICD-10-CM Diagnosis Code B01.2

Varicella pneumonia

Certain infectious and parasitic diseases

Pneumonia in diseases classified elsewhere

Pneumonia, unspecified organism

Varicella without complication