U.S. ICD-10-CM · FY 2027

J99 ICD-10-CM Code: Respiratory disorders in diseases classified elsewhere

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

J99

Respiratory disorders in diseases classified elsewhere

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where J99 sits

  1. 1

    Chapter 10

    Diseases of the respiratory system (J00-J99)

  2. 2

    Section

    Other diseases of the respiratory system (J96-J99)

  3. 3

    Category J99

    Respiratory disorders in diseases classified elsewhere

  4. 4

    Code J99

    Respiratory disorders in diseases classified elsewhere

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for J99.

Code first

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • ankylosing spondylitis (M45.-)
  • bronchomycosis (B49)
  • congenital syphilis (A50.-)
  • cryoglobulinemia (D89.1)
  • early congenital syphilis (A50.0-)
  • plasminogen deficiency (E88.02)
  • schistosomiasis (B65.0-B65.9)

Use additional code

No “use additional code” instruction is listed for J99.

Excludes1

Conditions that should not be reported together with this code.

  • respiratory disorders in:
  • amebiasis (A06.5)
  • blastomycosis (B40.0-B40.2)
  • candidiasis (B37.1)
  • coccidioidomycosis (B38.0-B38.2)
  • cystic fibrosis with pulmonary manifestations (E84.0)
  • dermatomyositis (M33.01, M33.11)
  • histoplasmosis (B39.0-B39.2)
  • late syphilis (A52.72, A52.73)
  • polymyositis (M33.21)
  • Sjögren syndrome (M35.02)
  • systemic lupus erythematosus (M32.13)
  • systemic sclerosis (M34.81)
  • Wegener's granulomatosis (M31.30-M31.31)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for J99.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code J99 mean?

J99 is the FY 2027 U.S. ICD-10-CM code for “Respiratory disorders in diseases classified elsewhere.”

Is J99 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, J99 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is J99 located in ICD-10-CM?

J99 is listed in Chapter 10, Diseases of the respiratory system (J00-J99), within Other diseases of the respiratory system (J96-J99) (J96–J99), under category J99, Respiratory disorders in diseases classified elsewhere.

What coding notes are listed for J99?

No inclusion terms are listed for J99 in this reference record. Code-first instructions: underlying disease, such as:; amyloidosis (E85.-); ankylosing spondylitis (M45.-); bronchomycosis (B49); congenital syphilis (A50.-); cryoglobulinemia (D89.1); early congenital syphilis (A50.0-); plasminogen deficiency (E88.02); schistosomiasis (B65.0-B65.9). Excludes1 notes: respiratory disorders in:; amebiasis (A06.5); blastomycosis (B40.0-B40.2); candidiasis (B37.1); coccidioidomycosis (B38.0-B38.2); cystic fibrosis with pulmonary manifestations (E84.0); dermatomyositis (M33.01, M33.11); histoplasmosis (B39.0-B39.2); late syphilis (A52.72, A52.73); polymyositis (M33.21); Sjögren syndrome (M35.02); systemic lupus erythematosus (M32.13); systemic sclerosis (M34.81); Wegener's granulomatosis (M31.30-M31.31). No Excludes2 note is listed.

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