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83970

Parathyroid hormone (PTH)

Pathology & Laboratory Clinical Chemistry 1.61 Total RVUs
Quick Reference
Quantitative measurement of parathyroid hormone level in blood

Relative Value Units (RVUs)

Calculator →
Work RVU
0.10
Physician effort
PE RVU
1.50
Practice expense
MP RVU
0.01
Malpractice
Total RVU
1.61
Combined value
Dollar reimbursement rates vary by locality and payer. RVUs shown for relative comparison only.
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Clinical Information

When to Use

Quantitative measurement of parathyroid hormone level in blood

Time Requirement
Automated testing - results typically available within hours to days

Common Scenarios

Hyperparathyroidism evaluation
Hypoparathyroidism evaluation
Calcium metabolism assessment
Bone metabolism evaluation
Parathyroid function assessment

Documentation Requirements

  • Order from physician required
  • Test results documented
  • Normal range: 10-65 pg/mL
  • Clinical interpretation if applicable

Coding Guidelines

Common Modifiers

26 Professional component only (interpretation)
TC Technical component only (performance)
91 Repeat clinical diagnostic laboratory test, same day

Bundling Rules

  • PTH measurement
  • May be billed with calcium (82330) on same day

Exclusions

  • Do not bill if included in panel

Coding Notes

Common for calcium metabolism evaluation
Often paired with calcium testing
Automated testing

Clinical scenarios

Hyperparathyroidism evaluation
Hyperparathyroidism evaluation
When to use:Quantitative measurement of parathyroid hormone level in blood
  • Order from physician required
  • Test results documented
  • Normal range: 10-65 pg/mL
Hypoparathyroidism evaluation
Hypoparathyroidism evaluation
When to use:Quantitative measurement of parathyroid hormone level in blood
  • Order from physician required
  • Test results documented
  • Normal range: 10-65 pg/mL
Calcium metabolism assessment
Calcium metabolism assessment
When to use:Quantitative measurement of parathyroid hormone level in blood
  • Order from physician required
  • Test results documented
  • Normal range: 10-65 pg/mL

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Code Details

Code 83970
Category Pathology & Laboratory
Subcategory Clinical Chemistry
Total RVUs 1.61

Medicare Pricing

PFS
2025 National Rate
$0.00
Facility
$0.00
Non-Facility
$0.00
RVU Breakdown
Work RVU:0.00PE RVU:0.00MP RVU:0.00Total RVU:0.00CF:$32.3465Global Days:XXX
OPPS Details
Status:Q4Copayment:$0.00

National Limit: $41.28

Physician Fee Schedule: Medicare pays physicians based on Relative Value Units (RVUs) multiplied by a conversion factor.

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Frequently Asked Questions

What is CPT code 83970?

CPT 83970 is the billing code for "Parathyroid hormone (PTH)". Quantitative measurement of parathyroid hormone level in blood

What are the RVUs for CPT 83970?

CPT 83970 has a total RVU of 1.61, broken down as: Work RVU 0.10, Practice Expense RVU 1.50, and Malpractice RVU 0.01. RVUs (Relative Value Units) determine Medicare reimbursement rates.

What documentation is required for CPT 83970?

Key documentation requirements for CPT 83970 include: Order from physician required; Test results documented; Normal range: 10-65 pg/mL; Clinical interpretation if applicable. Missing or incomplete documentation is a leading cause of claim denials for this code.

Can CPT 83970 be billed with other codes?

Bundling considerations for CPT 83970: PTH measurement. May be billed with calcium (82330) on same day Use an NCCI bundling checker to verify specific code combinations before billing.

What modifiers are commonly used with CPT 83970?

Common modifiers for CPT 83970 include: 26 (Professional component only (interpretation)), TC (Technical component only (performance)), 91 (Repeat clinical diagnostic laboratory test, same day). Modifiers indicate special circumstances and can affect reimbursement or prevent claim denials.

What is the time requirement for CPT 83970?

The typical time requirement for CPT 83970 is Automated testing - results typically available within hours to days. Time-based codes require documentation of the actual time spent providing the service.

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