ICD10BillableValid for clinical use
ICD-10 Code K91.0: Vomiting following gastrointestinal surgery
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).
When is it used?
- May be used when a clinician documents vomiting following gastrointestinal surgery in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
11Diseases of the digestive system (K00-K95)
block
K90-K95Other diseases of the digestive system
category
K91Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
currentK91
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
GastroenterologistGeneral Physician
Related codes
K91.1Postgastric surgery syndromescodeK91.2Postsurgical malabsorption, not elsewhere classifiedcodeK91.3Postprocedural intestinal obstructioncategoryK91.5Postcholecystectomy syndromecodeK91.6Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedurecategoryK91.7Accidental puncture and laceration of a digestive system organ or structure during a procedurecategoryK91.8Other intraoperative and postprocedural complications and disorders of digestive systemcategory
Sibling codes
K91.1Postgastric surgery syndromesbillableK91.2Postsurgical malabsorption, not elsewhere classifiedbillableK91.3Postprocedural intestinal obstructionK91.5Postcholecystectomy syndromebillableK91.6Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedureK91.7Accidental puncture and laceration of a digestive system organ or structure during a procedureK91.8Other intraoperative and postprocedural complications and disorders of digestive system
Coverage-related procedures and services
CPT 74177high
COMPUTED TOMOGRAPHY, ABDOMEN AND PELVIS; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 74176high
COMPUTED TOMOGRAPHY, ABDOMEN AND PELVIS; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 74178high
COMPUTED TOMOGRAPHY, ABDOMEN AND PELVIS; WITHOUT CONTRAST MATERIAL IN ONE OR BOTH BODY REGIONS, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS IN ONE OR BOTH BODY REGIONS
Source: CMS coverage guidance
CPT 74160high
COMPUTED TOMOGRAPHY, ABDOMEN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 74150high
COMPUTED TOMOGRAPHY, ABDOMEN; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 74170high
COMPUTED TOMOGRAPHY, ABDOMEN; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 11767005high
Bilious vomiting following gastrointestinal surgery
Source: SNOMED International ICD-10 map
SNOMED_CT 288199005high
Diarrhea and vomiting after gastrointestinal tract surgery
Source: SNOMED International ICD-10 map
SNOMED_CT 197130009high
Vomiting after gastrointestinal tract surgery
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
K91.0
Common synonyms
Vomiting following gastrointestinal surgery
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.