B97.21 – SARS-associated coronavirus as the cause of diseases classified elsewhere

ICD-10-CM 2027 diagnosis code · Bacterial and viral infectious agents

Billable code

ICD-10-CM code B97.21

Code: B97.21 (claims format: B9721)
Description: SARS-associated coronavirus as the cause of diseases classified elsewhere
Short description: SARS-associated coronavirus causing diseases classd elswhr
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: B95-B97 Bacterial and viral infectious agents
Parent codes: B97 › B97.2

Notes for B97.21

Excludes1 (not coded here):

pneumonia due to SARS-associated coronavirus (J12.81)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block B95-B97

Notes:

These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.

Index terms for B97.21

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in B97.2

B97.29 – Other coronavirus as the cause of diseases classified elsewhereBillable

Frequently asked questions

What is ICD-10 code B97.21?

B97.21 is the ICD-10-CM code for sARS-associated coronavirus as the cause of diseases classified elsewhere, in the block B95-B97 (Bacterial and viral infectious agents).

Is B97.21 a billable code?

Yes. B97.21 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does B97.21 belong to?

It belongs to category B97 – Viral agents as the cause of diseases classified elsewhere.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.