2016201720182019202020212022202320242025Billable/Specific Code
- B59 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM B59 became effective on October 1, 2022.
- This is the American ICD-10-CM version of B59 – other international versions of ICD-10 B59 may differ.
ICD-10-CM B59 is grouped within Diagnostic Related Group(s):
- 177 Respiratory infections and inflammations with mcc
- 178 Respiratory infections and inflammations with cc
- 179 Respiratory infections and inflammations without cc/mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
- 974 Hiv with major related condition with mcc
- 975 Hiv with major related condition with cc
- 976 Hiv with major related condition without cc/mcc
Applicable To
- Pneumonia due to Pneumocystis carinii
- Pneumonia due to Pneumocystis jiroveci
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to B59:
- pneumocystosis > protozoal B64
- Pneumocystis carinii (pneumonia) > Infection, infected, infective (opportunistic) B99.9
- Pneumocystis jiroveci (pneumonia) > Infection, infected, infective (opportunistic) B99.9
- pneumocystosis (Pneumocystis carinii) (Pneumocystis jiroveci) > in (due to) A42.0
- plasma cell > interstitial J84.9
- plasma cell (of infants) > Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
- Pneumocystis (carinii) (jiroveci) > Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9