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ICD-10-CM Code K91.1
Postgastric surgery syndromes

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

K91.1 is a billable ICD code used to specify a diagnosis of postgastric surgery syndromes. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code K911 is used to code Gastric dumping syndrome

Gastric dumping syndrome, or rapid gastric emptying is a condition where ingested foods bypass the stomach very rapidly and enter the small intestine largely undigested. It happens when the small intestine expands too quickly due to the presence of hyperosmolar (having increased osmolarity) contents from the stomach. This causes symptoms due to the fluid shift into the gut lumen with plasma volume contraction and acute intestinal distention. "Early" dumping begins concurrently within 15 to 30 minutes from ingestion of a meal. Symptoms of early dumping include nausea, vomiting, bloating, cramping, diarrhea, dizziness, and fatigue. "Late" dumping happens one to three hours after eating. Symptoms of late dumping include weakness, sweating, and dizziness. Many people have both types. The syndrome is most often associated with gastric bypass (Roux-en-Y) surgery.

Specialty: Gastroenterology
MeSH Code: D004377
ICD 9 Code: 564.2
Source: Wikipedia

Coding Notes for K91.1 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Dumping syndrome
Postgastrectomy syndrome
Postvagotomy syndrome

MS-DRG Mapping

  • DRG Group #391-392 - Esophagitis, gastroent and misc digest disorders with MCC.
  • DRG Group #391-392 - Esophagitis, gastroent and misc digest disorders without MCC.

ICD-10-CM Alphabetical Index References for 'K91.1 - Postgastric surgery syndromes'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code K91.1. Click on any term below to browse the alphabetical index.

Postgastrectomy dumping syndrome (K91.1)
Dumping syndrome(postgastrectomy) (K91.1)

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Postgastric surgery syndromes (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 564.2 was previously used, K91.1 is the appropriate modern ICD10 code.


Parent Code: K91 - Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/K911