DocScrib
How it WorksPricingBlog
Sign InSign UpBook a Demo
DocScrib

AI-powered medical documentation platform streamlining healthcare workflows through intelligent transcription and clinical note generation.

Book a Demo

Product

  • Medical Templates
  • Pricing
  • Integrations
  • Security & Compliance

Resources

  • Blog
  • Documentation
  • Case Studies

Contact

  • support@docscrib.com
  • +1 (555) 123-4567
  • 123 Healthcare Blvd
    Medical District, CA 90210
© 2025 DocScrib. All rights reserved.
Privacy PolicyTerms of ServiceCookie Policy
Home/Diagnosis/ICD-10 Coding for Hyperparathyroidism

ICD-10 Coding for Hyperparathyroidism

E21.0
E21.1
N25.81

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

Also Known as:
Parathyroid disease
Parathyroid disorder
Join 10,000+ Happy Clinicians

The AI Medical Scribe for Happiest Clinicians

Save 2+ hours daily with instant clinical documentation.
Our AI scribe listens, understands, and generates comprehensive medical notes so you can focus on patient care.

Start Free Trial
No credit card required•HIPAA compliant
Recording Controls
Start recording to see live transcription
Live Conversation - Try For Free!
Real-time transcription with automatic speaker identification

Ready to Record

Start recording to see live conversation transcription

Key Information: ICD-10 Coding for Hyperparathyroidism

Essential facts and insights about ICD-10 Coding for Hyperparathyroidism

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

  • • Elevated serum calcium (>10.5 mg/dL)
  • • Elevated PTH (>65 pg/mL)
  • • Imaging confirming parathyroid adenoma

Applicable To

  • • Parathyroid adenoma
  • • Parathyroid hyperplasia

Important Notes

  • • Ensure documentation specifies primary hyperparathyroidism with supporting lab and imaging results.

Secondary hyperparathyroidism, not elsewhere classified

Billable Code
E21.1
Billable

Diagnostic Criteria

  • • Low 25-OH vitamin D (<20 ng/mL)
  • • Elevated PTH levels

Applicable To

  • • Hyperparathyroidism due to vitamin D deficiency

Important Notes

  • • Document the underlying cause of secondary hyperparathyroidism.

Secondary hyperparathyroidism of renal origin

Billable Code
N25.81
Billable

Diagnostic Criteria

  • • Elevated PTH with normal/low calcium
  • • eGFR <30

Applicable To

  • • Hyperparathyroidism due to chronic kidney disease

Important Notes

  • • Link with CKD stage for accurate coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

M85.80

Osteoporosis

Use if osteoporosis is present as a complication.

Frequently Asked Questions

What is the ICD-10 code for primary hyperparathyroidism?

The ICD-10 code for primary hyperparathyroidism is E21.0, used when the condition is due to an overactive parathyroid gland.

How do you code secondary hyperparathyroidism due to CKD?

Use N25.81 for secondary hyperparathyroidism due to CKD, paired with the appropriate CKD stage code (N18.x).

Quick Navigation
All DiagnosesICD-10 Codes

Related Resources

How Medical Coding WorksBrowse All Codes