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ICD-10 Coding for Pituitary Microadenoma(D35.2, C75.1, D44.3)

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Explore comprehensive ICD-10 coding and documentation guidelines for pituitary microadenoma, including primary and ancillary codes, clinical validation, and common pitfalls.

Also known as:
Benign Pituitary TumorPituitary Adenoma
Related ICD-10 Code Ranges

Complete code families applicable to Pituitary Microadenoma

C00-D49Primary Range

Neoplasms

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Primary ICD-10-CM Codes
Benign neoplasm of pituitary gland
D35.2Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Malignant neoplasm of pituitary glandC75.1

Use when histopathology confirms malignancy.

Documentation & Coding Risks

Avoid these common issues when documenting Pituitary Microadenoma.

Omitting tumor size in documentation

Impact

Clinical: May affect treatment decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation

Always document tumor size in millimeters.

Using D44.3 for confirmed benign tumors

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data on benign tumor prevalence.

Mitigation

Use D35.2 with path confirmation

Tumor size documentation

Impact

Lack of size documentation can lead to audit flags.

Mitigation

Ensure all imaging reports include tumor size.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with D35.2.