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J16Non-billableSave

J16 - Pneumonia due to other infectious organisms, not elsewhere classified

ICD-10-CM Chapter 10: Diseases of the respiratory system · J09-J18 Influenza and pneumonia (J09-J18) · Top-level category · FY2027

Coding Guidance

J16 is a non-billable heading. Report one of the 2 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom J16

Mutually exclusive: these conditions are never reported together with this code.

  • congenital pneumonia (P23.-)
  • ornithosis (A70)
  • pneumocystosis (B59)
  • pneumonia NOS (J18.9)
Code FirstFrom J16

Sequence the underlying condition before this code.

  • , if applicable, associated influenza (J09.X1, J10.0-, J11.0-)
Code AlsoFrom J16

Report an additional code when both conditions apply.

  • , if applicable, any associated condition such as:
  • abscess (J85.1)
  • aspiration pneumonia (J69.-)
Excludes 2 — Not Included HereFrom J09-J18 Influenza and pneumonia (J09-J18)

Not part of this code; report both codes when the patient has both conditions.

  • allergic or eosinophilic pneumonia (J82)
  • aspiration pneumonia NOS (J69.0)
  • meconium pneumonia (P24.01)
  • neonatal aspiration pneumonia (P24.-)
  • pneumonia due to solids and liquids (J69.-)
  • congenital pneumonia (P23.9)
  • lipid pneumonia (J69.1)
  • rheumatic pneumonia (I00)
  • ventilator associated pneumonia (J95.851)
Use Additional CodeFrom J09-J18 Influenza and pneumonia (J09-J18)

Add a secondary code to identify the associated condition or cause when it is documented.

  • code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)
Excludes 2 — Not Included HereFrom Chapter J00-J99

Not part of this code; report both codes when the patient has both conditions.

  • 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)
Use Additional CodeFrom Chapter J00-J99

Add a secondary code to identify the associated condition or cause when it is documented.

  • 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)
NotesFrom Chapter J00-J99

Instructional notes from the ICD-10-CM tabular list.

  • 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).

More Specific Codes (2)

J16.0Chlamydial pneumonia→J16.8Pneumonia due to other specified infectious organisms→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with J16.