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ICD-10 Coding for Dark Stool(K92.1, R19.5)

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

Also known as:

MelenaBlack StoolsTarry Stools

Related ICD-10 Code Ranges

Complete code families applicable to Dark Stool

K92.0-K92.9Primary Range

Other diseases of digestive system

This range includes codes for gastrointestinal bleeding, including melena and other fecal abnormalities.

Other symptoms and signs involving the digestive system and abdomen

This range includes codes for unspecified fecal abnormalities, used when the cause of dark stool is not identified.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K92.1MelenaUse when melena is confirmed by clinical tests and documentation specifies black, tarry stools.
  • Positive fecal occult blood test
  • Drop in hemoglobin levels
R19.5Other fecal abnormalitiesUse when the cause of dark stool is not identified after clinical evaluation.
  • Stool color change documented without identified cause

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 dark stool

Essential facts and insights about Dark Stool

The ICD-10 code for dark stool, specifically melena, is K92.1. It is used when black, tarry stools are confirmed by clinical tests.

Primary ICD-10-CM Codes for dark stool

Melena
Billable Code

Decision Criteria

clinical Criteria

  • Presence of black, tarry stools with a positive fecal occult blood test.

Applicable To

  • Black, tarry stools
  • Upper GI bleeding

Excludes

Clinical Validation Requirements

  • Positive fecal occult blood test
  • Drop in hemoglobin levels

Code-Specific Risks

  • Incorrectly coding when the source of bleeding is identified and a more specific code is available.

Coding Notes

  • Ensure documentation specifies the characteristics of the stool and any associated symptoms.

Ancillary Codes

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

Long term (current) use of non-steroidal anti-inflammatories (NSAID)

Z79.02
Use when NSAID use is a contributing factor to the condition.

Differential Codes

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

Hemorrhage of anus and rectum

K62.5
Use for bright red blood per rectum, not black, tarry stools.

Melena

K92.1
Use K92.1 when melena is confirmed with specific tests.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Dark Stool to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K92.1.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential for claim denials.

Mitigation Strategy

Ensure thorough clinical evaluation before coding., Consult with a specialist if diagnosis is unclear.

Impact

Reimbursement: Avoids incorrect DRG assignment and potential denials., Compliance: Ensures adherence to coding guidelines., Data Quality: Improves accuracy of clinical data.

Mitigation Strategy

Use the combination code K25.0 alone.

Impact

Failure to use combination codes when applicable.

Mitigation Strategy

Regular training on coding guidelines and updates.

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 Dark Stool, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Dark Stool

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

Emergency Department Presentation

Specialty: Gastroenterology

Required Elements

  • Onset and duration of symptoms
  • Stool characteristics
  • Associated symptoms
  • Medication history
  • Lab results

Example Documentation

62M with 4-day history of black, tarry stools and 'coffee ground' emesis. Reports 800mg ibuprofen TID for osteoarthritis.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has dark stools.
Good Documentation Example
Black, tarry stools positive for occult blood; Hgb drop from 14 to 10 g/dL.
Explanation
The good example provides specific stool characteristics and lab results, supporting the diagnosis of melena.

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

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