HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code D34: Benign neoplasm of thyroid gland

D34 is a billable ICD-10 diagnosis code used to classify Benign neoplasm of thyroid gland in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

When is it used?

  • May be used when a clinician documents benign neoplasm of thyroid gland in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
2Neoplasms (C00-D49)
block
D10-D36Benign neoplasms, except benign neuroendocrine tumors
currentD10-D36

Official coding notes

Applicable to
  • code to identify any functional activity
Use additional code
  • code to identify any functional activity

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

OncologistGeneral PhysicianEndocrinologist

Sibling codes

D10Benign neoplasm of mouth and pharynxD11Benign neoplasm of major salivary glandsD12Benign neoplasm of colon, rectum, anus and anal canalD13Benign neoplasm of other and ill-defined parts of digestive systemD14Benign neoplasm of middle ear and respiratory systemD15Benign neoplasm of other and unspecified intrathoracic organsD16Benign neoplasm of bone and articular cartilageD17Benign lipomatous neoplasmD18Hemangioma and lymphangioma, any siteD19Benign neoplasm of mesothelial tissueD20Benign neoplasm of soft tissue of retroperitoneum and peritoneumD21Other benign neoplasms of connective and other soft tissueD22Melanocytic neviD23Other benign neoplasms of skinD24Benign neoplasm of breastD25Leiomyoma of uterusD26Other benign neoplasms of uterusD27Benign neoplasm of ovaryD28Benign neoplasm of other and unspecified female genital organsD29Benign neoplasm of male genital organsD30Benign neoplasm of urinary organsD31Benign neoplasm of eye and adnexaD32Benign neoplasm of meningesD33Benign neoplasm of brain and other parts of central nervous systemD35Benign neoplasm of other and unspecified endocrine glandsD36Benign neoplasm of other and unspecified sites

Coverage-related procedures and services

CPT 64417high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; AXILLARY NERVE, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64416high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; BRACHIAL PLEXUS, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT), INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64415high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; BRACHIAL PLEXUS, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64448high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; FEMORAL NERVE, CONTINUOUS INFUSION BY CATHETER (INCLUDING CATHETER PLACEMENT), INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64447high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; FEMORAL NERVE, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 64454high
INJECTION(S), ANESTHETIC AGENT(S) AND/OR STEROID; GENICULAR NERVE BRANCHES, INCLUDING IMAGING GUIDANCE, WHEN PERFORMED
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
D34

Common synonyms

Benign neoplasm of thyroid gland

Frequently asked questions

Code details

CodeD34
SystemICD10
Display nameBenign neoplasm of thyroid gland
ChapterNeoplasms (C00-D49)
BlockBenign neoplasms, except benign neuroendocrine tumors

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
AdenomaAdenomaAdenomaAdenomaAdenomaAdenomaHurthle cellHurthle cellTumor

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code D34 for Benign neoplasm of thyroid gland | HealthAssure