2026 ICD-10-CM Diagnosis Code E34.4Constitutional tall stature

ICD-10-CM Codes›E00–E89›E20-E35›E34

ICD-10-CM E34.4
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

E34.4 is a billable ICD-10-CM diagnosis code for constitutional tall stature. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 643 through 645. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified endocrine disorders.

Code Identity

ICD-10-CM Code
E34.4
Billable Status
Yes — Valid for Submission
Code Describes
Constitutional tall stature
Short Description
Constitutional tall stature
Same as the full description in the CMS dataset.
Parent Code
E34
Other endocrine disorders

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE20-E35Disorders of other endocrine glands
CategoryE34Other endocrine disorders
This CodeE34.4Constitutional tall stature

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Camptodactyly and tall stature with scoliosis and hearing loss syndrome
  • Congenital deformity of lumbosacral region
  • Congenital kyphosis
  • Congenital kyphosis of thoracic spine
  • Constitutional tall stature
  • Height above average
  • Hydrocephalus, tall stature, joint laxity syndrome
  • Kyphosis of thoracic spine
  • Tall for age
  • Tall stature

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Constitutional gigantism

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Gigantism(cerebral) (hypophyseal) (pituitary)
      • constitutional
    • Tall stature, constitutional

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR END015
Other specified and unspecified endocrine disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Familial Idiopathic Tall Stature|Constitutional Tall Stature|Familial Tall Stature

    idiopathic tall stature in a child when either one or both parents is tall in stature.

  • Idiopathic Tall Stature

    tall stature for which no underlying cause can be found.

  • Non-familial Idiopathic Tall Stature|Non-Familial Idiopathic Tall Stature

    idiopathic tall stature in a child when neither parent is tall in stature.

  • Tall Stature

    height greater than two standard deviations above the mean of the appropriate reference population for the age and sex of the individual.

  • Congenital Kyphosis

    an abnormally increased curvature of the thoracic portion of the spine that is present at the time of birth.

Patient EducationClinical

Growth Disorders

Does your child seem much shorter - or much taller - than other kids his or her age? It could be normal. Some children may be small for their age but still be developing normally. Some children are short or tall because their parents are.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert E34.4 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
253.0 Acromegaly and gigantism
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About E34.4Overview

Is E34.4 (Other endocrine disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report constitutional tall stature on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does E34.4 group to?

When constitutional tall stature is the principal diagnosis on an inpatient stay, it groups to MS-DRG 643, 644, 645, with relative weights from 0.7683 to 1.6461 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of E34.4?

Under the General Equivalence Mappings, constitutional tall stature converts to ICD-9-CM 253.0 (acromegaly and gigantism). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.