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

2021 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
  • J16 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Pneumonia due to oth infectious organisms, NEC
  • The 2021 edition of ICD-10-CM J16 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of J16 - other international versions of ICD-10 J16 may differ.
Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • associated influenza, if applicable (
    ICD-10-CM Diagnosis Code J09.X1

    Influenza due to identified novel influenza A virus with pneumonia

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Code Also
    • , if applicable, associated:
    • lung abscess (J85.1)
    • other specified type of pneumonia
    J09.X1
    ,
    ICD-10-CM Diagnosis Code J10.0

    Influenza due to other identified influenza virus with pneumonia

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • associated lung abscess, if applicable (J85.1)
    J10.0-
    ,
    ICD-10-CM Diagnosis Code J11.0

    Influenza due to unidentified influenza virus with pneumonia

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • associated lung abscess, if applicable (J85.1)
    J11.0-
    )
Code Also
Code Also Help
A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
  • associated abscess, if applicable (
    ICD-10-CM Diagnosis Code J85.1

    Abscess of lung with pneumonia

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Code Also
    • the type of pneumonia
    J85.1
    )
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as J16. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • congenital pneumonia (
    ICD-10-CM Diagnosis Code P23
    • P23 Congenital pneumonia
      • P23.0 Congenital pneumonia due to viral agent
      • P23.1 Congenital pneumonia due to Chlamydia
      • P23.2 Congenital pneumonia due to staphylococcus
      • P23.3 Congenital pneumonia due to streptococcus, gr...
      • P23.4 Congenital pneumonia due to Escherichia coli
      • P23.5 Congenital pneumonia due to Pseudomonas
      • P23.6 Congenital pneumonia due to other bacterial a...
      • P23.8 Congenital pneumonia due to other organisms
      • P23.9 Congenital pneumonia, unspecified
    P23.-
    )
  • ornithosis (
    ICD-10-CM Diagnosis Code A70

    Chlamydia psittaci infections

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Ornithosis
    • Parrot fever
    • Psittacosis
    A70
    )
  • pneumocystosis (
    ICD-10-CM Diagnosis Code B59

    Pneumocystosis

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Pneumonia due to Pneumocystis carinii
    • Pneumonia due to Pneumocystis jiroveci
    B59
    )
  • pneumonia NOS (
    ICD-10-CM Diagnosis Code J18.9

    Pneumonia, unspecified organism

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    J18.9
    )
The following code(s) above J16 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:
  • 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
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
ICD-10-CM Codes Adjacent To J16
J15.211 Pneumonia due to Methicillin susceptible Staphylococcus aureus
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

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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