A77.40

Ehrlichiosis, unspecified

Billable / specific

A77.40 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from A77)

  • diseases generally recognized as communicable or transmissible

Excludes1

Not coded here — never report together with this code.

  • anaplasmosis [A. phagocytophilum] (A79.82) (from A77.4)
  • rickettsiosis due to Ehrlichia sennetsu (A79.81) (from A77.4)

Excludes2

Not included here — may be reported together when both conditions exist.

  • carrier or suspected carrier of infectious disease (Z22.-) (from A77)
  • certain localized infections - see body system-related chapters (from A77)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A77)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A77)
  • influenza and other acute respiratory infections (J00-J22) (from A77)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify resistance to antimicrobial drugs (Z16.-) (from A77)

Also known as

  • Ehrlichiosis
  • Fever, spotted, Ehrlichiosis

Parent code

Related codes

  • A77.41Ehrlichiosis chaffeensis [E. chaffeensis]Billable
  • A77.49Other ehrlichiosisBillable

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