DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

B97 Viral agents as the cause of diseases classified elsewhere

  • Header · not billable

B97 is not billable. The category heads 20 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

  • Reovirus, as cause of disease classified elsewhere → B97.5
  • Echovirus, as cause of disease classified elsewhere → B97.12
  • Oncovirus, as cause of disease classified elsewhere → B97.32

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. B95-B97 Bacterial and viral infectious agents (B95-B97)
  3. B97 Viral agents as the cause of diseases classified elsewhere
Billable codes
20
Subdivisions
9
CC / MCC codes
4 / 0
HCC V28 codes
1
New FY2027
0
Index entries
91

Codes in B97

  1. B97.0
    Adenovirus as the cause of diseases classified elsewhere
    Billable
  2. B97.1
    Enterovirus as the cause of diseases classified elsewhere
    Header
  3. B97.10
    Unspecified enterovirus as the cause of diseases classified elsewhere
    Billable
  4. B97.11
    Coxsackievirus as the cause of diseases classified elsewhere
    Billable
  5. B97.12
    Echovirus as the cause of diseases classified elsewhere
    Billable
  6. B97.19
    Other enterovirus as the cause of diseases classified elsewhere
    Billable
  7. B97.2
    Coronavirus as the cause of diseases classified elsewhere
    Header
  8. B97.21
    SARS-associated coronavirus as the cause of diseases classified elsewhere
    BillableCC
    Excludes1 1

    Excludes1

    • pneumonia due to SARS-associated coronavirus (J12.81) J12.81
  9. B97.29
    Other coronavirus as the cause of diseases classified elsewhere
    Billable
  10. B97.3
    Retrovirus as the cause of diseases classified elsewhere
    Header
    Excludes1 1

    Excludes1

    • Human immunodeficiency virus [HIV] disease (B20) B20
  11. B97.30
    Unspecified retrovirus as the cause of diseases classified elsewhere
    Billable
  12. B97.31
    Lentivirus as the cause of diseases classified elsewhere
    Billable
  13. B97.32
    Oncovirus as the cause of diseases classified elsewhere
    Billable
  14. B97.33
    Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere
    BillableCC
  15. B97.34
    Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere
    BillableCC
  16. B97.35
    Human immunodeficiency virus, type 2 [HIV 2] as the cause of diseases classified elsewhere
    BillableCC1
  17. B97.39
    Other retrovirus as the cause of diseases classified elsewhere
    Billable
  18. B97.4
    Respiratory syncytial virus as the cause of diseases classified elsewhere
    Billable
    Inclusion terms 1, Excludes1 3, Code first 3

    Inclusion terms

    • RSV as the cause of diseases classified elsewhere

    Excludes1

    • acute bronchiolitis due to respiratory syncytial virus (RSV) (J21.0) J21.0
    • acute bronchitis due to respiratory syncytial virus (RSV) (J20.5) J20.5
    • respiratory syncytial virus (RSV) pneumonia (J12.1) J12.1

    Code first

    • related disorders, such as:
    • otitis media (H65.-) H65
    • upper respiratory infection (J06.9) J06.9
  19. B97.5
    Reovirus as the cause of diseases classified elsewhere
    Billable
  20. B97.6
    Parvovirus as the cause of diseases classified elsewhere
    Billable
  21. B97.7
    Papillomavirus as the cause of diseases classified elsewhere
    Billable
  22. B97.8
    Other viral agents as the cause of diseases classified elsewhere
    Header
  23. B97.81
    Human metapneumovirus as the cause of diseases classified elsewhere
    Billable
  24. B97.89
    Other viral agents as the cause of diseases classified elsewhere
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

Notes that also apply

Block B95-B97 instructions (Notes 1): printed on the block page.

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.

Index entries

  • Adenovirus, as cause of disease classified elsewhere → B97.0
  • Enterovirus, as cause of disease classified elsewhere → B97.10
  • Echovirus, as cause of disease classified elsewhere → B97.12
  • Retrovirus, as cause of disease classified elsewhere → B97.30
  • Lentivirus, as cause of disease classified elsewhere → B97.31
  • Oncovirus, as cause of disease classified elsewhere → B97.32
  • Reovirus, as cause of disease classified elsewhere → B97.5
  • Parvovirus, as cause of disease classified elsewhere → B97.6
  • Papillomavirus, as cause of disease classified elsewhere → B97.7
  • Coxsackie (virus) (infection)as cause of disease classified elsewhere → B97.11
  • Enterovirus, as cause of disease classified elsewherecoxsackievirus → B97.11
  • Enterovirus, as cause of disease classified elsewhereechovirus → B97.12
  • Enterovirus, as cause of disease classified elsewhereother specified → B97.19
  • Coronavirus (infection)SARS-associated → B97.21
  • Coronavirus (infection)as cause of disease classified elsewhere → B97.29
  • Infection, infected, infective (opportunistic)lentivirus, as cause of disease classified elsewhere → B97.31
  • Retrovirus, as cause of disease classified elsewherelentivirus → B97.31
  • Infection, infected, infective (opportunistic)oncovirus, as cause of disease classified elsewhere → B97.32
  • Retrovirus, as cause of disease classified elsewhereoncovirus → B97.32
  • Retrovirus, as cause of disease classified elsewherespecified NEC → B97.39
  • Respiratorysyncytial virus, as cause of disease classified elsewhere → B97.4
  • Infection, infected, infective (opportunistic)reovirus, as cause of disease classified elsewhere → B97.5
  • Infection, infected, infective (opportunistic)papillomavirus, as cause of disease classified elsewhere → B97.7
  • Virus, viralas cause of disease classified elsewhere → B97.89
  • Infection, infected, infective (opportunistic)adenovirus NECas cause of disease classified elsewhere → B97.0
  • Infection, infected, infective (opportunistic)enterovirusas cause of disease classified elsewhere → B97.10
  • Infection, infected, infective (opportunistic)virus, viral NOSenterovirus, as cause of disease classified elsewhere → B97.10
  • Infection, infected, infective (opportunistic)echovirusas cause of disease classified elsewhere → B97.12
  • Infection, infected, infective (opportunistic)coronavirus NECsevere acute respiratory syndrome (SARS associated) → B97.21
  • Infection, infected, infective (opportunistic)coronavirus NECas cause of disease classified elsewhere → B97.29
  • Infection, infected, infective (opportunistic)retrovirusas cause of disease classified elsewhere → B97.30
  • HumanT-cell lymphotropic virustype-2 (HTLV-II) as cause of disease classified elsewhere → B97.34
  • Humanimmunodeficiency virus (HIV) disease (infection)type-2 (HIV 2) as cause of disease classified elsewhere → B97.35
  • Retrovirus, as cause of disease classified elsewherehumanimmunodeficiency, type 2 (HIV 2) → B97.35
  • Virus, viralrespiratory syncytial (RSV)as cause of disease classified elsewhere → B97.4
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)due to or associated withhuman parvovirus → B97.6
  • Infection, infected, infective (opportunistic)parvovirus NECas cause of disease classified elsewhere → B97.6
  • Infection, infected, infective (opportunistic)virus, viral NOShuman papilloma as cause of disease classified elsewhere → B97.7
  • Infection, infected, infective (opportunistic)virus, viral NOShuman metapneumovirus as cause of disease classified elsewhere → B97.81
  • Infection, infected, infective (opportunistic)rhinovirusas cause of disease classified elsewhere → B97.89

51 more, longer entries are not listed; the search box finds them by word.

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