2021

  1. ICD-10-CM Codes
    2. ›
  2. J00-J99 Diseases of the respiratory system
    3. ›
  3. J09-J18 Influenza and pneumonia
    4. ›
  4. J16- Pneumonia due to other infectious organisms, not elsewhere classified
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code J16.0

2021 ICD-10-CM Diagnosis Code J16.0

Chlamydial pneumonia

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • J16.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM J16.0 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of J16.0 - other international versions of ICD-10 J16.0 may differ.
The following code(s) above J16.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to J16.0:
  • J00-J99
    2021 ICD-10-CM Range J00-J99

    Diseases of the respiratory system

    Note
    • 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).
    Type 2 Excludes
    • 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
    • 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)
    Diseases of the respiratory system
  • J09-J18
    2021 ICD-10-CM Range J09-J18

    Influenza and pneumonia

    Type 2 Excludes
    • 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)
    Influenza and pneumonia
  • J16
    ICD-10-CM Diagnosis Code J16

    Pneumonia due to other infectious organisms, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code First
    Code Also
    • associated abscess, if applicable (J85.1)
    Type 1 Excludes
    • congenital pneumonia (P23.-)
    • ornithosis (A70)
    • pneumocystosis (B59)
    • pneumonia NOS (J18.9)
    Pneumonia due to other infectious organisms, not elsewhere classified
Clinical Information
  • Pneumonia caused by infections with the genus chlamydia; and chlamydophila, usually with chlamydophila pneumoniae.
ICD-10-CM J16.0 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 193 Simple pneumonia and pleurisy with mcc
  • 194 Simple pneumonia and pleurisy with cc
  • 195 Simple pneumonia and pleurisy without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert J16.0 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to J16.0:
  • Type 1 Excludes: J15
    , J17
    ICD-10-CM Diagnosis Code J15

    Bacterial pneumonia, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code First
    Code Also
    • associated abscess, if applicable (J85.1)
    Includes
    • bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae
    Type 1 Excludes
    • chlamydial pneumonia (J16.0)
    • congenital pneumonia (P23.-)
    • Legionnaires' disease (A48.1)
    • spirochetal pneumonia (A69.8)
    ICD-10-CM Diagnosis Code J17

    Pneumonia in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Manifestation Code
    Code First
    • underlying disease, such as:
    • Q fever (A78)
    • rheumatic fever (I00)
    • schistosomiasis (B65.0-B65.9)
    Type 1 Excludes
    • candidial pneumonia (B37.1)
    • chlamydial pneumonia (J16.0)
    • gonorrheal pneumonia (A54.84)
    • histoplasmosis pneumonia (B39.0-B39.2)
    • measles pneumonia (B05.2)
    • nocardiosis pneumonia (A43.0)
    • pneumocystosis (B59)
    • pneumonia due to Pneumocystis carinii (B59)
    • pneumonia due to Pneumocystis jiroveci (B59)
    • pneumonia in actinomycosis (A42.0)
    • pneumonia in anthrax (A22.1)
    • pneumonia in ascariasis (B77.81)
    • pneumonia in aspergillosis (B44.0-B44.1)
    • pneumonia in coccidioidomycosis (B38.0-B38.2)
    • pneumonia in cytomegalovirus disease (B25.0)
    • pneumonia in toxoplasmosis (B58.3)
    • rubella pneumonia (B06.81)
    • salmonella pneumonia (A02.22)
    • spirochetal infection NEC with pneumonia (A69.8)
    • tularemia pneumonia (A21.2)
    • typhoid fever with pneumonia (A01.03)
    • varicella pneumonia (B01.2)
    • whooping cough with pneumonia (A37 with fifth-character 1)
  • Type 2 Excludes: A74
    ICD-10-CM Diagnosis Code A74

    Other diseases caused by chlamydiae

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • neonatal chlamydial conjunctivitis (P39.1)
    • neonatal chlamydial pneumonia (P23.1)
    • Reiter's disease (M02.3-)
    • sexually transmitted chlamydial diseases (A55-A56)
    Type 2 Excludes
    • chlamydial pneumonia (J16.0)

Diagnosis Index entries containing back-references to J16.0:
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
    ICD-10-CM Diagnosis Code J18.9

    Pneumonia, unspecified organism

      2016 2017 2018 2019 2020 2021 Billable/Specific Code

ICD-10-CM Codes Adjacent To J16.0
J15.212 Pneumonia due to Methicillin resistant Staphylococcus aureus
J15.29 Pneumonia due to other staphylococcus
J15.3 Pneumonia due to streptococcus, group B
J15.4 Pneumonia due to other streptococci
J15.5 Pneumonia due to Escherichia coli
J15.6 Pneumonia due to other Gram-negative bacteria
J15.7 Pneumonia due to Mycoplasma pneumoniae
J15.8 Pneumonia due to other specified bacteria
J15.9 Unspecified bacterial pneumonia
J16 Pneumonia due to other infectious organisms, not elsewhere classified
J16.0 Chlamydial pneumonia
J16.8 Pneumonia due to other specified infectious organisms
J17 Pneumonia in diseases classified elsewhere
J18 Pneumonia, unspecified organism
J18.0 Bronchopneumonia, unspecified organism
J18.1 Lobar pneumonia, unspecified organism
J18.2 Hypostatic pneumonia, unspecified organism
J18.8 Other pneumonia, unspecified organism
J18.9 Pneumonia, unspecified organism
J20 Acute bronchitis
J20.0 Acute bronchitis due to Mycoplasma pneumoniae

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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