R18 Ascites

Non-billable header with 2 child codes.

Includes

• fluid in peritoneal cavity

Excludes1 (never code together)

• ascites in alcoholic cirrhosis (K70.31)
• ascites in alcoholic hepatitis (K70.11)
• ascites in toxic liver disease with chronic active hepatitis (K71.51)

Applies from R18 Ascites

Includes

• fluid in peritoneal cavity

Excludes1 (never code together)

• ascites in alcoholic cirrhosis (K70.31)
• ascites in alcoholic hepatitis (K70.11)
• ascites in toxic liver disease with chronic active hepatitis (K71.51)

Codes under R18

• R18.0 Malignant ascites
• R18.8 Other ascites

Code annotations containing back-references to R18

Back-references to R18

• Type 2 Excludes: K66 Other disorders of peritoneum ("ascites (R18.-)")
• Type 1 Excludes: R19.0 Intra-abdominal and pelvic swelling, mass and lump ("ascites (R18.-)")
• Type 1 Excludes: R60 Edema, not elsewhere classified ("ascites (R18.-)")

Back-references to R18

• Type 2 Excludes: K66 Other disorders of peritoneum ("ascites (R18.-)")
• Type 1 Excludes: R19.0 Intra-abdominal and pelvic swelling, mass and lump ("ascites (R18.-)")
• Type 1 Excludes: R60 Edema, not elsewhere classified ("ascites (R18.-)")

Nearby codes

• R18 Ascites (this code)
• R18.0 Malignant ascites
• R18.8 Other ascites