DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

A06 Amebiasis

  • Header · not billable

A06 is not billable. The category heads 12 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

  • Amebiasis → A06.9
  • Ameboma (of intestine) → A06.3
  • Amebiasisskin → A06.7

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. A00-A09 Intestinal infectious diseases (A00-A09)
  3. A06 Amebiasis
Billable codes
12
Subdivisions
10
CC / MCC codes
7 / 3
HCC V28 codes
1
New FY2027
0
Index entries
54

Codes in A06

  1. A06.0
    Acute amebic dysentery
    BillableCC
    Inclusion terms 2

    Inclusion terms

    • Acute amebiasis
    • Intestinal amebiasis NOS
  2. A06.1
    Chronic intestinal amebiasis
    BillableCC
  3. A06.2
    Amebic nondysenteric colitis
    BillableCC
  4. A06.3
    Ameboma of intestine
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Ameboma NOS
  5. A06.4
    Amebic liver abscess
    BillableMCC
    Inclusion terms 1

    Inclusion terms

    • Hepatic amebiasis
  6. A06.5
    Amebic lung abscess
    BillableMCC283
    Inclusion terms 1

    Inclusion terms

    • Amebic abscess of lung (and liver)
  7. A06.6
    Amebic brain abscess
    BillableMCC
    Inclusion terms 1

    Inclusion terms

    • Amebic abscess of brain (and liver) (and lung)
  8. A06.7
    Cutaneous amebiasis
    Billable
  9. A06.8
    Amebic infection of other sites
    Header
  10. A06.81
    Amebic cystitis
    BillableCC
  11. A06.82
    Other amebic genitourinary infections
    BillableCC
    Inclusion terms 3

    Inclusion terms

    • Amebic balanitis
    • Amebic vesiculitis
    • Amebic vulvovaginitis
  12. A06.89
    Other amebic infections
    BillableCC
    Inclusion terms 2

    Inclusion terms

    • Amebic appendicitis
    • Amebic splenic abscess
  13. A06.9
    Amebiasis, unspecified
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At A06

Includes

  • infection due to Entamoeba histolytica

Excludes1

  • other protozoal intestinal diseases (A07.-) A07

Excludes2

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

Notes that also apply

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.

Index entries

  • Ameboma (of intestine) → A06.3
  • Amebiasis → A06.9
  • Amebiasisacute → A06.0
  • Amebiasisintestine → A06.0
  • Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic)amebic (acute) → A06.0
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory)amebic → A06.0
  • Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical)amebic → A06.0
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)amebic (acute) → A06.0
  • Proctitisamebic (acute) → A06.0
  • Amebiasischronic (intestine) → A06.1
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeamebic (intestine) → A06.1
  • Amebiasisnondysenteric colitis → A06.2
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)amebic → A06.4
  • Ameba, amebic (histolytica)abscess (liver) → A06.4
  • Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical)abscess, liver → A06.4
  • Amebiasiscutaneous → A06.7
  • Amebiasiscutis → A06.7
  • Amebiasisskin → A06.7
  • Dermatitis (eczematous)amebic → A06.7
  • Amebiasiscystitis → A06.81
  • Cystitis (exudative) (hemorrhagic) (septic) (suppurative)amebic → A06.81
  • Amebiasisgenitourinary tract NEC → A06.82
  • Balanitis (circinata) (erosiva) (gangrenosa) (phagedenic) (vulgaris)amebic → A06.82
  • Vaginitis (acute) (circumscribed) (diffuse) (emphysematous) (nonvenereal) (ulcerative)amebic → A06.82
  • Vesiculitis (seminal)amebic → A06.82
  • Amebiasisspecified site NEC → A06.89
  • Appendicitis (pneumococcal) (retrocecal)amebic → A06.89
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory)amebicacute → A06.0
  • Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical)amebicacute → A06.0
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory)amebicchronic → A06.1
  • Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical)amebicchronic → A06.1
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)amebic (acute)chronic → A06.1
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeintestine, intestinalamebic → A06.1
  • Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic)amebic (acute)nondysenteric → A06.2
  • Diarrhea, diarrheal (disease) (infantile) (inflammatory)amebicnondysenteric → A06.2
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective)amebic (acute)nondysenteric → A06.2
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)amebicliver (without mention of brain or lung abscess) → A06.4
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)hepatic (cholangitic) (hematogenic) (lymphogenic) (pylephlebitic)amebic → A06.4
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)liver (cholangitic) (hematogenic) (lymphogenic) (pylephlebitic) (pyogenic)amebic (due to Entamoeba histolytica) (dysenteric) (tropical) → A06.4
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)amebiclung (and liver) (without mention of brain abscess) → A06.5

14 more, longer entries are not listed; the search box finds them by word.

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Hierarchy