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ICD-10 Coding for Gastroparesis(K31.84, E10.43)

Complete ICD-10-CM coding and documentation guide for Gastroparesis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Delayed Gastric Emptying

Related ICD-10 Code Ranges

Complete code families applicable to Gastroparesis

K31.84Primary Range

Gastroparesis

Primary code for idiopathic and non-diabetic gastroparesis.

Diabetes with gastroparesis

Used for diabetic gastroparesis, requires additional code K31.84.

Other specified diseases of stomach and duodenum

Used for malignant gastroparesis when no specific index entry exists.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K31.84GastroparesisUse for non-diabetic gastroparesis confirmed by diagnostic testing.
  • Gastric emptying study showing >10% retention at 4 hours
  • EGD confirming absence of mechanical obstruction
E10.43Type 1 diabetes mellitus with diabetic autonomic (poly)neuropathyUse when gastroparesis is secondary to Type 1 diabetes.
  • Documentation of Type 1 diabetes
  • Evidence of autonomic neuropathy

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for gastroparesis

Essential facts and insights about Gastroparesis

The ICD-10 code for gastroparesis is K31.84. For diabetic gastroparesis, use E10.43 or E11.43 with K31.84.

Primary ICD-10-CM Codes for gastroparesis

Gastroparesis
Billable Code

Decision Criteria

clinical Criteria

  • Confirmed delayed gastric emptying without obstruction

Applicable To

  • Idiopathic gastroparesis

Excludes

Clinical Validation Requirements

  • Gastric emptying study showing >10% retention at 4 hours
  • EGD confirming absence of mechanical obstruction

Code-Specific Risks

  • Incorrectly using for diabetic cases without diabetes code

Coding Notes

  • Ensure documentation of gastric emptying study and absence of obstruction.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Right upper quadrant pain

R10.11
Use for symptom documentation if present.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Type 1 diabetes mellitus with diabetic autonomic (poly)neuropathy

E10.43
Use when gastroparesis is due to Type 1 diabetes.

Gastroparesis

K31.84
Use alone for non-diabetic cases.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Gastroparesis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K31.84.

Impact

Clinical: Misrepresentation of patient's condition, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation Strategy

Verify diabetes status before coding, Use coding guidelines for sequence

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Always add K31.84 to specify gastroparesis.

Impact

Failure to code both diabetes and gastroparesis.

Mitigation Strategy

Ensure both conditions are documented and coded.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Gastroparesis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Gastroparesis

Use these documentation templates to ensure complete and accurate documentation for Gastroparesis. These templates include all required elements for proper coding and billing.

Diabetic Gastroparesis

Specialty: Gastroenterology

Required Elements

  • Gastric emptying study results
  • EGD findings
  • Diabetes status
  • Treatment plan

Example Documentation

Assessment: Diabetic gastroparesis confirmed by 4-hour gastric emptying study showing 35% retention. EGD shows no obstruction. Plan: Metoclopramide 5mg QAC and HS.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has gastroparesis.
Good Documentation Example
Gastric emptying study shows 45% retention at 4 hours. EGD confirms no obstruction. Type 2 diabetes with autonomic neuropathy.
Explanation
The good example provides specific diagnostic evidence and diabetes status.

Need help with ICD-10 coding for Gastroparesis? Ask your questions below.

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