A06.6

Amebic brain abscess

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 8 never code together

A06code

Excludes1

other protozoal intestinal diseases (A07.-)A07.-

Excludes2

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

A00-B99chapter

Excludes1

certain localized infections - see body system-related chapters

Excludes2

carrier or suspected carrier of infectious disease (Z22.-)Z22.-
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
influenza and other acute respiratory infections (J00-J22)J00-J22

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 4

A06code

Includes

infection due to Entamoeba histolytica

A06.6code

Inclusion terms

Amebic abscess of brain (and liver) (and lung)

A00-B99chapter

Includes

diseases generally recognized as communicable or transmissible

Use additional code

code to identify resistance to antimicrobial drugs (Z16.-)Z16.-

Index entries leading here 1

Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- amebic A06.4
  - brain (and liver or lung abscess) A06.6
- brain (any part) (cystic) (otogenic) G06.0
  - amebic (with abscess of any other site) A06.6
- liver (cholangitic) (hematogenic) (lymphogenic) (pylephlebitic) (pyogenic) K75.0
  - amebic (due to Entamoeba histolytica) (dysenteric) (tropical) A06.4
    - with
      - brain abscess (and liver or lung abscess) A06.6
- lung (miliary) (putrid) J85.2
  - amebic (with liver abscess) A06.5
    - with
      - brain abscess A06.6

Alongside this code 9 same parent — A06

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 A06.5 Amebic lung abscess A06.7 Cutaneous amebiasis A06.8 Amebic infection of other sites category A06.9 Amebiasis, unspecified

Medications 1

2 Brain Abscess drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: A06
Block: A00-A09
Siblings: 9

Present FY2024–FY2027.