K90.81 Whipple's disease

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

Applies from K90 Intestinal malabsorption

Excludes1 (never code together)

• intestinal malabsorption following gastrointestinal surgery (K91.2)

Risk adjustment (HCC)

• RxHCC V08: HCC 66 — Pancreatic Disorders and Intestinal Malabsorption, Except Pancreatitis

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 040.2 Whipple's disease

Code annotations containing back-references to K90.81

Back-references to K90.81

• Type 1 Excludes: E88.1 Lipodystrophy, not elsewhere classified ("Whipple's disease (K90.81)")
• Code First: M14.8 Arthropathies in other specified diseases classified elsewhere ("Whipple's disease (K90.81)")

Back-references to K90

• Type 1 Excludes: K59 Other functional intestinal disorders ("intestinal malabsorption (K90.-)")

Diagnosis Index entries for K90.81

• Arthropathy › in (due to) › Whipple's disease
• Lipodystrophy › intestinal
• Whipple's disease

Nearby codes

• K90.3 Pancreatic steatorrhea
• K90.4 Other malabsorption due to intolerance
• K90.41 Non-celiac gluten sensitivity
• K90.49 Malabsorption due to intolerance, not elsewhere classified
• K90.8 Other intestinal malabsorption
• K90.81 Whipple's disease (this code)
• K90.82 Short bowel syndrome
• K90.821 Short bowel syndrome with colon in continuity
• K90.822 Short bowel syndrome without colon in continuity
• K90.829 Short bowel syndrome, unspecified
• K90.83 Intestinal failure