ICD-10-CM Alphabetic Index · FY 2026 16 Entries

Ascites in the ICD-10-CM Index ICD-10-CM

The main term Ascites (abdominal) carries 16 index entries pointing to 11 ICD-10-CM codes. The default entry is R18.8, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
16
Index Entries
11
Codes Referenced
R18.8
Default Code
A
Letter
16 of 16 shown
ICD-10-CM

Index Entries Under Ascites 16 entries · 11 codes

Ascites (abdominal) R18.8
cardiac I50.810 see also Failure, heart, right
chylous (nonfilarial) I89.8
filarial see Infestation, filarial
due to
cirrhosis, alcoholic K70.31
hepatitis see also Hepatitis
alcoholic K70.11
chronic active K73.2 see also Hepatitis, chronic active
with toxic liver disease K71.51
S. japonicum B65.2
heart I50.810 see also Failure, heart, right
malignant R18.0
pseudochylous R18.8
syphilitic A52.74
tuberculous A18.31

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Related Index Terms

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.