535 Gastritis and duodenitis 
535.0 Acute gastritis 
535.00 Acute gastritis, without mention of hemorrhage convert 535.00 to ICD-10-CM
535.01 Acute gastritis, with hemorrhage convert 535.01 to ICD-10-CM- 535.1 Atrophic gastritis
- 535.10 Atrophic gastritis, without mention of hemorrhage convert 535.10 to ICD-10-CM
- 535.11 Atrophic gastritis, with hemorrhage convert 535.11 to ICD-10-CM
- 535.2 Gastric mucosal hypertrophy
- 535.20 Gastric mucosal hypertrophy, without mention of hemorrhage convert 535.20 to ICD-10-CM
- 535.21 Gastric mucosal hypertrophy, with hemorrhage convert 535.21 to ICD-10-CM
- 535.3 Alcoholic gastritis
- 535.30 Alcoholic gastritis, without mention of hemorrhage convert 535.30 to ICD-10-CM
- 535.31 Alcoholic gastritis, with hemorrhage convert 535.31 to ICD-10-CM
- 535.4 Other specified gastritis
- 535.40 Other specified gastritis, without mention of hemorrhage convert 535.40 to ICD-10-CM
- 535.41 Other specified gastritis, with hemorrhage convert 535.41 to ICD-10-CM
- 535.5 Unspecified gastritis and gastroduodenitis
- 535.50 Unspecified gastritis and gastroduodenitis, without mention of hemorrhage convert 535.50 to ICD-10-CM
- 535.51 Unspecified gastritis and gastroduodenitis, with hemorrhage convert 535.51 to ICD-10-CM
- 535.6 Duodenitis
- 535.60 Duodenitis, without mention of hemorrhage convert 535.60 to ICD-10-CM
- 535.61 Duodenitis, with hemorrhage convert 535.61 to ICD-10-CM
- 535.7 Eosinophilic gastritis
535.70 Eosinophilic gastritis, without mention of hemorrhage convert 535.70 to ICD-10-CM- 535.71 Eosinophilic gastritis, with hemorrhage convert 535.71 to ICD-10-CM
