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Home/Diagnosis/ICD-10 Coding for Parathyroidectomy

ICD-10 Coding for Parathyroidectomy

E21.0
E21.1
D35.1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for parathyroidectomy includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Parathyroid gland removal
Parathyroid surgery
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Key Information: ICD-10 Coding for Parathyroidectomy

Essential facts and insights about ICD-10 Coding for Parathyroidectomy

Use ICD-10 code E21.0 for primary hyperparathyroidism, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Primary hyperparathyroidism

Billable Code
E21.0
Billable

Diagnostic Criteria

  • • Serum calcium >10.5 mg/dL
  • • PTH >65 pg/mL
  • • Localizing imaging (sestamibi/US)

Applicable To

  • • Single adenoma with elevated calcium/PTH

Important Notes

  • • Ensure lab and imaging findings support the diagnosis.

Secondary hyperparathyroidism

Billable Code
E21.1
Billable

Diagnostic Criteria

  • • eGFR <60
  • • PTH >300 pg/mL
  • • Bone density T-score <-2.5

Applicable To

  • • Chronic kidney disease-associated cases

Important Notes

  • • Document underlying condition causing secondary hyperparathyroidism.

Benign neoplasm of parathyroid gland

Billable Code
D35.1
Billable

Diagnostic Criteria

  • • Pathology report confirming benign neoplasm

Applicable To

  • • Parathyroid adenoma

Important Notes

  • • Ensure pathology confirmation of benign status.

Postprocedural hypoparathyroidism

Billable Code
E89.2
Billable

Diagnostic Criteria

  • • Post-op calcium levels below normal range

Applicable To

  • • Hypocalcemia following parathyroidectomy

Important Notes

  • • Document calcium levels post-surgery.
Frequently Asked Questions

What is the ICD-10 code for parathyroidectomy?

The ICD-10 code for conditions leading to parathyroidectomy includes E21.0 for primary hyperparathyroidism and D35.1 for benign neoplasm of the parathyroid gland.

How is parathyroidectomy documented?

Documentation should include pre-op diagnosis, procedure details, intraoperative findings, IOPTH results, and post-op diagnosis to ensure accurate coding.

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