D00.1 Carcinoma in situ of esophagus

Billable ICD-10-CM code, FY2026.

Applies from D00 Carcinoma in situ of oral cavity, esophagus and stomach

Excludes1 (never code together)

• melanoma in situ (D03.-)

MS-DRG index

Defines the logic of DRG(s) 374-376 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 230.1 Carcinoma in situ of esophagus

Nearby codes

• D00.04 Carcinoma in situ of soft palate
• D00.05 Carcinoma in situ of hard palate
• D00.06 Carcinoma in situ of floor of mouth
• D00.07 Carcinoma in situ of tongue
• D00.08 Carcinoma in situ of pharynx
• D00.1 Carcinoma in situ of esophagus (this code)
• D00.2 Carcinoma in situ of stomach