Alphabetic Index FY2027

J39.8

Other specified diseases of upper respiratory tract

FY2027Chapter 10: Diseases of the respiratory system/J30–J39 Other diseases of upper respiratory tract

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Respiratory

J39.8 (also written J398) is a billable ICD-10-CM diagnosis code for other specified diseases of upper respiratory tract. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 6 codes in category J39 (Other diseases of upper respiratory tract). The Alphabetic Index lists it under 32 entries. Its coding notes include a Use additional code instruction, 3 Excludes1 entries and 9 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (7 notes)
Inherited from Chapter 10 Diseases of the respiratory system
  • code, where applicable, to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • exposure to tobacco smoke in the perinatal period (P96.81)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from J39 Other diseases of upper respiratory tract
  • acute respiratory infection NOS (J22)
  • acute upper respiratory infection (J06.9)
  • upper respiratory inflammation due to chemicals, gases, fumes or vapors (J68.2)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (9 notes)
Inherited from Chapter 10 Diseases of the respiratory system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Respiratory clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 10 Diseases of the respiratory system
  • When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 32 entries

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