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ICD-10 Coding for Perirectal Mass(K61.0, K62.89, C20)

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

Also known as:

Perirectal AbscessPerirectal Tumor

Related ICD-10 Code Ranges

Complete code families applicable to Perirectal Mass

K61-K62Primary Range

Abscess of anal and rectal regions

This range includes codes for perirectal abscesses and other specified disorders of the anal and rectal regions.

Malignant neoplasms of rectum, anus, and anal canal

This range is relevant for coding malignant perirectal masses.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K61.0Perirectal abscessUse when there is a confirmed abscess in the perirectal region.
  • Fluctuant mass
  • Purulent drainage
  • Culture results
K62.89Other specified disorders of anus and rectumUse for non-abscess masses in the perirectal area.
  • Solid mass
  • Imaging characteristics
C20Malignant neoplasm of rectumUse for confirmed malignant tumors in the rectal area.
  • Biopsy results
  • TNM staging

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 perirectal abscess

Essential facts and insights about Perirectal Mass

The ICD-10 code for a perirectal abscess is K61.0. Ensure documentation includes abscess location and culture results.

Primary ICD-10-CM Codes for perirectal mass

Perirectal abscess
Billable Code

Decision Criteria

clinical Criteria

  • Presence of a fluctuant mass with purulent drainage in the perirectal area.

Applicable To

  • Localized pus collection in perirectal region

Excludes

Clinical Validation Requirements

  • Fluctuant mass
  • Purulent drainage
  • Culture results

Code-Specific Risks

  • Confusion with perianal abscess coding

Coding Notes

  • Ensure documentation specifies the exact location and characteristics of the abscess.

Ancillary Codes

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

Unspecified Escherichia coli as the cause of diseases classified elsewhere

B96.20
Use when culture confirms E. coli infection.

Encounter for antineoplastic chemotherapy

Z51.11
Use when patient is receiving chemotherapy.

Differential Codes

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

Perianal abscess

K61.3
Use K61.3 for abscesses located in the perianal region, not perirectal.

Malignant neoplasm of rectum

C20
Use C20 for biopsy-confirmed malignant masses.

Other specified disorders of anus and rectum

K62.89
Use K62.89 for non-malignant masses.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Perirectal Mass to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K61.0.

Impact

Clinical: Inadequate treatment planning, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation Strategy

Ensure culture results are documented in the patient's chart, Review documentation before coding

Impact

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

Mitigation Strategy

Verify the exact anatomical location in the documentation.

Impact

High audit risk if culture results are not documented for abscess coding.

Mitigation Strategy

Ensure all culture results are documented and linked to the appropriate codes.

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 Perirectal Mass, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Perirectal Mass

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

Perirectal abscess with drainage

Specialty: Surgery

Required Elements

  • Location and size of abscess
  • Drainage procedure details
  • Culture results

Example Documentation

4 cm tender, fluctuant mass in left perirectal subcutaneous tissue. CT shows 4.2x3.8 cm fluid collection. Incision yielded 10mL purulent material. Culture positive for E. coli.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Perirectal mass noted.
Good Documentation Example
4 cm tender, fluctuant mass in left perirectal subcutaneous tissue at 3 o'clock position. CT shows 4.2x3.8 cm fluid collection. Incision yielded 10mL purulent material. Culture positive for E. coli.
Explanation
The good example provides specific location, size, and culture results, which are essential for accurate coding.

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

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