- R18.8 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 R18.8 became effective on October 1, 2022.
- This is the American ICD-10-CM version of R18.8 – other international versions of ICD-10 R18.8 may differ.
ICD-10-CM R18.8 is grouped within Diagnostic Related Group(s):
Applicable To
- Ascites NOS
- Peritoneal effusion (chronic)
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
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to R18.8:
- pseudochylous > Ascites (abdominal) R18.8
- abdomen > Dropsy, dropsical
- peritoneal (chronic) > Effusion
- abdomen > Fluid
- peritoneal cavity > Fluid
- abdominis > Hydrops R60.9