A06.4 Amebic liver abscess

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applicable to

• Hepatic amebiasis

Applies from A06 Amebiasis

Includes

• infection due to Entamoeba histolytica

Excludes1 (never code together)

• other protozoal intestinal diseases (A07.-)

Excludes2 (not included here)

• acanthamebiasis (B60.1-)
• Naegleriasis (B60.2)

MS-DRG index

Defines the logic of DRG(s) 441-443 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 006.3 Amebic liver abscess

Code annotations containing back-references to A06.4

Back-references to A06.4

• Type 1 Excludes: K75.0 Abscess of liver ("amebic liver abscess (A06.4)")

Back-references to A06

• Type 2 Excludes: P37 Other congenital infectious and parasitic diseases ("infectious neonatal diarrhea (A00-A09)")

Diagnosis Index entries for A06.4

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › amebic
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › amebic › liver (without mention of brain or lung abscess)
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › hepatic (cholangitic) (hematogenic) (lymphogenic) (pylephlebitic) › amebic
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › liver (cholangitic) (hematogenic) (lymphogenic) (pylephlebitic) (pyogenic) › amebic (due to Entamoeba histolytica) (dysenteric) (tropical)
• Ameba, amebic (histolytica) › abscess (liver)
• Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical) › abscess, liver

Nearby codes

• A06 Amebiasis
• A06.0 Acute amebic dysentery
• A06.1 Chronic intestinal amebiasis
• A06.2 Amebic nondysenteric colitis
• A06.3 Ameboma of intestine
• A06.4 Amebic liver abscess (this code)
• A06.5 Amebic lung abscess
• A06.6 Amebic brain abscess
• A06.7 Cutaneous amebiasis
• A06.8 Amebic infection of other sites
• A06.81 Amebic cystitis