Is D35.1 a billable ICD-10 code?

Yes. D35.1 (Benign neoplasm of parathyroid gland) is billable and can be used for insurance claims. Always verify payer-specific requirements.

D35.1 ✓ Billable

Benign neoplasm of parathyroid gland

Q: What is ICD-10 code D35.1?

ICD-10-CM code D35.1 stands for "Benign neoplasm of parathyroid gland". It is a billable code in the Neoplasms chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Neoplasms

Code

D35.1

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Neoplasms

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code D35.1?

ICD-10-CM code D35.1 represents Benign neoplasm of parathyroid gland. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.

Is D35.1 billable?

Yes. D35.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is D35.1 in?

D35.1 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.

Related codes in the D35 category

D35 Benign neoplasm of other and unspecified endocrine glands Non-billable D35.0 Benign neoplasm of adrenal gland Non-billable D35.2 Benign neoplasm of pituitary gland Billable D35.3 Benign neoplasm of craniopharyngeal duct Billable D35.4 Benign neoplasm of pineal gland Billable D35.5 Benign neoplasm of carotid body Billable D35.6 Benign neoplasm of aortic body and other paraganglia Billable D35.7 Benign neoplasm of other specified endocrine glands Billable

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