537 Other disorders of stomach and duodenum (537.0-537.9) ICD-9-CM
The 537.0-537.9 block classified 537 other disorders of stomach and duodenum with 13 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the 537.0-537.9 Block 13 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- 537.0 Acq pyloric stenosis
- 537.1 Gastric diverticulum
- 537.2 Chronic duodenal ileus
- 537.3 Duodenal obstruction NEC
- 537.4 Gastric/duodenal fistula
- 537.5 Gastroptosis
- 537.6 Hourglass stricture stom
- 537.81 Pylorospasm
- 537.82 Angio stm/dudn w/o hmrhg
- 537.83 Angio stm/dudn w hmrhg
- 537.84 Dieulafoy les,stom&duod
- 537.89 Gastroduodenal dis NEC
- 537.9 Gastroduodenal dis NOS
Questions About This Page
Are the 537.0-537.9 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the 537.0-537.9 block classify?
The block classified 537 other disorders of stomach and duodenum with 13 codes in the final ICD-9-CM release. It sat under Diseases of the digestive system (520–579) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
