J99
Respiratory disorders in diseases classified elsewhere
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 23 never code together
J99code
Excludes1
- respiratory disorders in:
- amebiasis (A06.5)A06.5A06.5A06.5
- blastomycosis (B40.0-B40.2)B40.0-B40.2B40.0-B40.2B40.0-B40.2
- candidiasis (B37.1)B37.1B37.1B37.1
- coccidioidomycosis (B38.0-B38.2)B38.0-B38.2B38.0-B38.2B38.0-B38.2
- cystic fibrosis with pulmonary manifestations (E84.0)E84.0E84.0E84.0
- dermatomyositis (M33.01, M33.11)M33.01M33.01M33.01M33.11M33.11M33.11
- histoplasmosis (B39.0-B39.2)B39.0-B39.2B39.0-B39.2B39.0-B39.2
- late syphilis (A52.72, A52.73)A52.72A52.72A52.72A52.73A52.73A52.73
- polymyositis (M33.21)M33.21M33.21M33.21
- Sjögren syndrome (M35.02)M35.02M35.02M35.02
- systemic lupus erythematosus (M32.13)M32.13M32.13M32.13
- systemic sclerosis (M34.81)M34.81M34.81M34.81
- Wegener's granulomatosis (M31.30-M31.31)M31.30-M31.31M31.30-M31.31M31.30-M31.31
J00-J99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- smoke inhalation (T59.81-)T59.81-
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 16
J99code
Code first
- underlying disease, such as:
- amyloidosis (E85.-)E85.-E85.-E85.-
- ankylosing spondylitis (M45.-)M45.-M45.-M45.-
- congenital syphilis (A50.-)A50.-A50.-A50.-
- cryoglobulinemia (D89.1)D89.1D89.1D89.1
- early congenital syphilis (A50.0-)A50.0-A50.0-A50.0-
- plasminogen deficiency (E88.02)E88.02E88.02E88.02
- schistosomiasis (B65.0-B65.9)B65.0-B65.9B65.0-B65.9B65.0-B65.9
J00-J99chapter
Notes
- 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).J40
Use additional code
- code, where applicable, to identify:
- exposure to environmental tobacco smoke (Z77.22)Z77.22
- exposure to tobacco smoke in the perinatal period (P96.81)P96.81
- history of tobacco dependence (Z87.891)Z87.891
- occupational exposure to environmental tobacco smoke (Z57.31)Z57.31
- tobacco dependence (F17.-)F17.-
- tobacco use (Z72.0)Z72.0
Index entries leading here filed at null
No alphabetic index entry points at this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.