ICD-10 Guide

A06.81

Amebic cystitis

BILLABLE STATUSYes

IMPLEMENTATION DATEOctober 1, 2015

LAST UPDATED09/17/2025

Code Description

ICD-10 A06.81 is a billable code used to indicate a diagnosis of amebic cystitis.

Key Diagnostic Point:

Amebic cystitis

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

Analysis of ICD-10 Code A06
81 - Amebic Cystitis Complexity Rating Medium Factors Contributing to Complexity 1
Etiology and Diagnosis: - Amebic cystitis is caused by *Entamoeba histolytica*, the same organism responsible for intestinal amebiasis
, urinalysis, imaging studies) to confirm the diagnosis

Audit Risk Factors

Documentation completeness
Coding accuracy verification
Clinical correlation review

Specialty Focus

Medical Specialties

General

Documentation Requirements

ICD-10 code A06.81 refers to "Amebic cystitis," which is a rare form of cystitis caused by the parasite Entamoeba histolytica. While this condition may not be commonly encountered, several medical spe...

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines and documentation requirements

Coding Guidelines

Inclusion Criteria

Use A06.81 When

10 Code A06
Amebic Cystitis
Overview:
10 code A06
81 is used to classify amebic cystitis, an infection of the bladder caused by Entamoeba histolytica, which is primarily transmitted through fecal contamination of water or food
Amebic cystitis is a less common manifestation of amebic infection compared to amebic dysentery and is more likely to be seen in certain endemic areas or in immunocompromised patients
When to Use This Code vs
Related Codes

Exclusion Criteria

Do NOT use A06.81 When

Inclusion and Exclusion Criteria
Exclusion Criteria:
Exclude cases of cystitis caused by other pathogens or conditions (e

Related CPT Codes

No CPT Codes Available

Related CPT codes for this diagnosis will be displayed here when available.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Changes from ICD-9 to ICD-10

- Code Structure: In ICD-9, amebic cystitis was coded under 006.9, which was less specific and categorized broadly under amebiasis. ICD-10 introduced A06.81, allowing for a more precise classification of the condition.

ICD-9 vs ICD-10

The implementation of ICD-10 brought significant changes to the coding landscape, particularly for conditions such as amebic cystitis, represented by code A06.81. Below is a detailed analysis of the impact of ICD-10 implementation on this specific code: Changes from ICD-9 to ICD-10 - Code Structure: In ICD-9, amebic cystitis was coded under 006.9, which was less specific and categorized broadly under amebiasis. ICD-10 introduced A06.81, allowing for a more precise classification of the condition. - Expanded Codes: ICD-10 contains a wider range of codes, which helps capture the nuances of various infections and conditions. A06.81 specifically indicates the diagnosis of amebic cystitis, distinguishing it from other forms of amebiasis. Specificity Improvements - Enhanced Detail: The transition to ICD-10 has improved specificity significantly. A06.81 allows healthcare providers to specify that the patient is suffering from cystitis caused by Entamoeba histolytica, thereby clarifying the etiology and improving the accuracy of clinical data....

Reimbursement & Billing Impact

Reimbursement Implications - Accuracy in Billing: The specificity of ICD-10 codes impacts reimbursement. Insurers often require precise coding for claims to be processed efficiently. A06.81 supports accurate billing for services related to amebic cystitis, potentially reducing claim denials. - Potential for Higher Reimbursement: Codes that allow for greater specificity may support higher reimbursement levels as they reflect the complexity of the patient's condition and the care required.

A06.81

Code Description

Key Diagnostic Point:

Code Complexity Analysis

Complexity Rating: Medium

Complexity Factors

Audit Risk Factors

Specialty Focus

Medical Specialties

General

Documentation Requirements

Common Clinical Scenarios

Billing Considerations

Coding Guidelines

Inclusion Criteria

Exclusion Criteria

Related CPT Codes

No CPT Codes Available

ICD-10 Impact

Diagnostic & Documentation Impact

ICD-10 Improvements

ICD-9 vs ICD-10

Reimbursement & Billing Impact

Resources

Clinical References

Coding & Billing References

Frequently Asked Questions

A06.81

Code Description

Key Diagnostic Point:

Code Complexity Analysis

Complexity Rating: Medium

Complexity Factors

Audit Risk Factors

Specialty Focus

Medical Specialties

General

Documentation Requirements

Common Clinical Scenarios

Billing Considerations

Coding Guidelines

Inclusion Criteria

Exclusion Criteria

Related CPT Codes

No CPT Codes Available

ICD-10 Impact

Diagnostic & Documentation Impact

ICD-10 Improvements

ICD-9 vs ICD-10

Reimbursement & Billing Impact

Resources

Clinical References

Coding & Billing References

Frequently Asked Questions