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ICD-10 Coding for Pituitary Mass(D35.2, C75.1)

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

Also known as:

Pituitary TumorPituitary AdenomaProlactinoma

Related ICD-10 Code Ranges

Complete code families applicable to Pituitary Mass

D35-D36Primary Range

Benign neoplasms

Includes benign pituitary tumors such as adenomas and prolactinomas.

Malignant neoplasms of endocrine glands

Includes malignant pituitary tumors.

Disorders of other endocrine glands

Includes endocrine disorders related to pituitary dysfunction.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
D35.2Benign neoplasm of pituitary glandUse when a benign pituitary tumor is confirmed by pathology.
  • Histopathological confirmation of benign tumor
  • Imaging showing non-invasive characteristics
C75.1Malignant neoplasm of pituitary glandUse when a malignant pituitary tumor is confirmed.
  • Biopsy confirming malignancy
  • Imaging showing invasive characteristics

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 pituitary mass

Essential facts and insights about Pituitary Mass

The ICD-10 code for a benign pituitary mass is D35.2, while C75.1 is used for malignant neoplasms.

Primary ICD-10-CM Codes for pituitary mass

Benign neoplasm of pituitary gland
Billable Code

Decision Criteria

clinical Criteria

  • Benign histology confirmed

documentation Criteria

  • Imaging and pathology reports available

Applicable To

  • Pituitary adenoma
  • Prolactinoma

Excludes

  • Malignant neoplasm of pituitary gland (C75.1)

Clinical Validation Requirements

  • Histopathological confirmation of benign tumor
  • Imaging showing non-invasive characteristics

Code-Specific Risks

  • Misclassification if malignancy is not ruled out

Coding Notes

  • Ensure documentation specifies benign nature and any hormonal activity.

Ancillary Codes

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

Abnormal results of endocrine function studies

R94.8
Use when endocrine tests are abnormal but not directly linked to a specific disorder.

Other disorders of pituitary gland

E23.6
Use for unspecified pituitary disorders not directly linked to a neoplasm.

Differential Codes

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

Malignant neoplasm of pituitary gland

C75.1
Use when malignancy is confirmed by biopsy.

Benign neoplasm of pituitary gland

D35.2
Use when benign nature is confirmed by pathology.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Pituitary Mass to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code D35.2.

Impact

Clinical: Inadequate assessment of tumor progression., Regulatory: Non-compliance with documentation standards., Financial: Potential for incorrect billing and reimbursement.

Mitigation Strategy

Always include size in imaging reports, Review documentation before finalizing

Impact

Reimbursement: Incorrect DRG assignment leading to reimbursement issues., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Verify histology reports to confirm benign nature before coding.

Impact

Inadequate documentation of histological findings.

Mitigation Strategy

Ensure all pathology reports are complete and reviewed.

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

Documentation Templates for Pituitary Mass

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

Pituitary Adenoma Diagnosis

Specialty: Endocrinology

Required Elements

  • Histopathology report
  • Imaging findings
  • Endocrine function tests

Example Documentation

Patient presents with a 1.5 cm pituitary adenoma confirmed by MRI and histology, with elevated prolactin levels.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Pituitary mass noted.
Good Documentation Example
1.5 cm prolactinoma confirmed by MRI and histology, elevated prolactin.
Explanation
The good example provides specific size, type, and lab findings.

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

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