Valid for Submission
R18.8 is a billable diagnosis code used to specify a medical diagnosis of other ascites. The code R18.8 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code R18.8 might also be used to specify conditions or terms like ascites, bile ascites, bloody peritoneal effusion, chronic peritoneal effusion, dialysis-associated ascites , fluid in peritoneal cavity, etc.
According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.
Tabular List of Diseases and Injuries
The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code R18.8:
Inclusion TermsInclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Ascites NOS
- Peritoneal effusion (chronic)
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code R18.8 are found in the index:
- - Hydroperitoneum - R18.8
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Bile ascites
- Bloody peritoneal effusion
- Chronic peritoneal effusion
- Dialysis-associated ascites
- Fluid in peritoneal cavity
- Fluid-filled abdomen
- Hemorrhage into peritoneal cavity
- Hemorrhagic ascites
- Hepatic ascites
- Infected ascites
- Leakage of bile
- Meigs' syndrome
- Metabolic ascites
- Pancreatic ascites
- Refractory ascites
- Tense ascites
- Urine ascites
- Urine ascites
- Urine ascites of the neonate
- ASCITES-. accumulation or retention of free fluid within the peritoneal cavity.
- CARCINOMA EHRLICH TUMOR-. a transplantable poorly differentiated malignant tumor which appeared originally as a spontaneous breast carcinoma in a mouse. it grows in both solid and ascitic forms.
- CHYLOUS ASCITES-. presence of milky lymph chyle in the peritoneal cavity with or without infection.
- PERITONEOVENOUS SHUNT-. an operation for the continuous emptying of ascitic fluid into the venous system. fluid removal is based on intraperitoneal and intrathoracic superior vena cava pressure differentials and is performed via a pressure sensitive one way valve connected to a tube traversing the subcutaneous tissue of the chest wall to the neck where it enters the internal jugular vein and terminates in the superior vena cava. it is used in the treatment of intractable ascites.
- PSEUDOMYXOMA PERITONEI-. a peritoneal adenocarcinoma characterized by build up of mucus in the peritoneal cavity. mucus secreting cells may attach to the peritoneal lining and continue to secrete mucus. the majority of cases represent tumor spread from a primary low grade mucinous neoplasm of the appendix nci thesaurus.
- MUCIN 4-. a transmembrane mucin that is found in a broad variety of epithelial tissue. mucin 4 may play a role in regulating cellular adhesion and in cell surface signaling from the erbb 2 receptor protein tyrosine kinase. mucin 4 is a heterodimer of alpha and beta chains. the alpha and beta chains result from the proteolytic cleavage of a precursor protein.
Diagnostic Related Groups - MS-DRG Mapping
|MS-DRG||MS-DRG Title||MCD||Relative Weight|
|947||SIGNS AND SYMPTOMS WITH MCC||23||1.1901|
|948||SIGNS AND SYMPTOMS WITHOUT MCC||23||0.7856|
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.
Convert R18.8 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code R18.8 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Your liver is the largest organ inside your body. It helps your body digest food, store energy, and remove poisons.
There are many kinds of liver diseases:
- Diseases caused by viruses, such as hepatitis A, hepatitis B, and hepatitis C
- Diseases caused by drugs, poisons, or too much alcohol. Examples include fatty liver disease and cirrhosis.
- Liver cancer
- Inherited diseases, such as hemochromatosis and Wilson disease
Symptoms of liver disease can vary, but they often include swelling of the abdomen and legs, bruising easily, changes in the color of your stool and urine, and jaundice, or yellowing of the skin and eyes. Sometimes there are no symptoms. Tests such as imaging tests and liver function tests can check for liver damage and help to diagnose liver diseases.
[Learn More in MedlinePlus]