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A70 - Chlamydia psittaci infections

ICD-10-CM Chapter 1: Certain infectious and parasitic diseases · A70-A74 Other diseases caused by chlamydiae (A70-A74) · Top-level category · FY2027

Applicable To

Inclusion terms listed under A70 in the ICD-10-CM tabular list.

  • Ornithosis
  • Parrot fever
  • Psittacosis

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom A70-A74 Other diseases caused by chlamydiae (A70-A74)

Mutually exclusive: these conditions are never reported together with this code.

  • sexually transmitted chlamydial diseases (A55-A56)
IncludesFrom Chapter A00-B99

Conditions this code covers.

  • diseases generally recognized as communicable or transmissible
Excludes 2 — Not Included HereFrom Chapter A00-B99

Not part of this code; report both codes when the patient has both conditions.

  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional CodeFrom Chapter A00-B99

Add a secondary code to identify the associated condition or cause when it is documented.

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

Inpatient DRG Payments

DRG 8663,607 discharges

Viral Illness Without Mcc

Avg. Medicare Payment

$6,873

Total Payment$9,637
Patient Responsibility$2,764
Hospital Charge$42,399
DRG 8653,043 discharges

Viral Illness With Mcc

Avg. Medicare Payment

$13,644

Total Payment$16,774
Patient Responsibility$3,130
Hospital Charge$74,310