A07.1 Giardiasis [lambliasis]

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

MS-DRG index

Defines the logic of DRG(s) 371-373 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 007.1 Giardiasis

Code annotations containing back-references to A07.1

Back-references to A07

• Type 1 Excludes: A06 Amebiasis ("other protozoal intestinal diseases (A07.-)")
• Type 2 Excludes: P37 Other congenital infectious and parasitic diseases ("infectious neonatal diarrhea (A00-A09)")

Diagnosis Index entries for A07.1

• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › giardial
• Diarrhea, diarrheal (disease) (infantile) (inflammatory) › Giardia lamblia
• Diarrhea, diarrheal (disease) (infantile) (inflammatory) › giardial
• Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical) › Giardia lamblia
• Dysentery, dysenteric (catarrhal) (diarrhea) (epidemic) (hemorrhagic) (infectious) (sporadic) (tropical) › Lamblia
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) › giardial
• Giardiasis
• Infection, infected, infective (opportunistic) › Giardia lamblia
• Infestation › Giardia lamblia
• Lambliasis, lambliosis

Nearby codes

• A07 Other protozoal intestinal diseases
• A07.0 Balantidiasis
• A07.1 Giardiasis [lambliasis] (this code)
• A07.2 Cryptosporidiosis
• A07.3 Isosporiasis
• A07.4 Cyclosporiasis
• A07.8 Other specified protozoal intestinal diseases
• A07.9 Protozoal intestinal disease, unspecified