2026 ICD-10-CM Diagnosis Code J12.82Pneumonia due to coronavirus disease 2019
J12.82 is a billable ICD-10-CM diagnosis code for pneumonia due to coronavirus disease 2019. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 193 through 195, 974 through 976. The code is not accepted as a principal diagnosis by the Medicare Code Editor. Coders also document this condition as COVID-19. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Coronavirus disease � 2019 (COVID-19) and Pneumonia (except that caused by tuberculosis).
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for J12.82.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- COVID-19
- Infection of lower respiratory tract caused by SARS-CoV-2
- Pneumonia caused by Human coronavirus
- Pneumonia caused by SARS-CoV-2
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Pneumonia due to 2019 novel coronavirus (SARS-CoV-2)
- Pneumonia due to COVID-19
Code First
- COVID-19 (U07.1)
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) - J18.9
- COVID-19 - J12.82
- SARS-CoV-2 - J12.82
- Syndrome - See Also: Disease;
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- COVID-19
- pneumonia
- Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)
- 2019 (novel) coronavirus
- Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)
- coronavirus (novel) (disease) 2019
- Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)
- COVID-19
- Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)
- SARS-CoV-2
- Syndrome
- severe acute respiratory (SARS)
- coronavirus 2
- pneumonia
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
COVID-19 (Coronavirus Disease 2019)
COVID-19 (coronavirus disease 2019) is an illness caused by a virus. This virus is a coronavirus called SARS-CoV-2. It spreads when a person who has the infection breathes out droplets and very small particles that contain the virus.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Code History & ChangesHistory
Replacement J12.82 replaces the following previously assigned code(s):
- J12.89 - Other viral pneumonia
Questions About J12.82Overview
Is J12.82 (Other viral pneumonia) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report pneumonia due to coronavirus disease 2019 on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does J12.82 group to?
On inpatient claims, pneumonia due to coronavirus disease 2019 maps to MS-DRG 193, 194, 195, 974, 975, 976, with relative weights from 0.6285 to 2.8860 depending on complications. Higher weights mean higher Medicare reimbursement.
Can J12.82 be a principal diagnosis?
No. The Medicare Code Editor rejects this code as a principal diagnosis because pneumonia due to coronavirus disease 2019 describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.
