K92.1 Melena

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

Excludes1 (never code together)

• occult blood in feces (R19.5)

Applies from K92 Other diseases of digestive system

Excludes1 (never code together)

• neonatal gastrointestinal hemorrhage (P54.0-P54.3)

MS-DRG index

Defines the logic of DRG(s) 377-379 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 578.1 Blood in stool

Code annotations containing back-references to K92.1

Back-references to K92.1

• Type 1 Excludes: K62.5 Hemorrhage of anus and rectum ("melena (K92.1)")
• Type 1 Excludes: R19.5 Other fecal abnormalities ("melena (K92.1)")

Diagnosis Index entries for K92.1

• Abnormal, abnormality, abnormalities › stool (color) (contents) (mucus) › bloody
• Blood › in › feces
• Hematochezia
• Melena

Nearby codes

• K92 Other diseases of digestive system
• K92.0 Hematemesis
• K92.1 Melena (this code)
• K92.2 Gastrointestinal hemorrhage, unspecified
• K92.8 Other specified diseases of the digestive system
• K92.81 Gastrointestinal mucositis (ulcerative)
• K92.89 Other specified diseases of the digestive system
• K92.9 Disease of digestive system, unspecified