2026 ICD-10-CM Diagnosis Code R94.7Abnormal results of other endocrine function studies

ICD-10-CM Codes›R00–R99›R90-R94›R94

ICD-10-CM R94.7
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

R94.7 is a billable ICD-10-CM diagnosis code for abnormal results of other endocrine function studies. 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. As a symptom code, it should not be used as a principal diagnosis once a related definitive diagnosis has been established. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Abnormal findings without diagnosis.

Code Identity

ICD-10-CM Code
R94.7
Billable Status
Yes — Valid for Submission
Code Describes
Abnormal results of other endocrine function studies
Short Description
Abnormal results of other endocrine function studies
Same as the full description in the CMS dataset.
Parent Code
R94
Abnormal results of function studies

Code Classification

ChapterR00–R99Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
SectionR90-R94Abnormal findings on diagnostic imaging and in function studies, without diagnosis
CategoryR94Abnormal results of function studies
This CodeR94.7Abnormal results of other endocrine function studies

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal androgen
  • Abnormal cortisol
  • Abnormal estriol
  • Abnormal estrogen
  • Abnormal gastric secretion
  • Abnormal gastric secretion regulation
  • Abnormal pancreatic function
  • Abnormal polypeptide hormone
  • Abnormal progesterone
  • Abnormal prolactin
  • Absence of hormonal activity
  • Decreased hormonal requirement
  • Effects of hormonal supplementation
  • Endocrine system alteration
  • Hormonal requirement
  • Hormonal resistance
  • Increased hormonal requirement
  • Increased hormonal resistance
  • Pituitary function test above reference range
  • Pituitary function test below reference range
  • Pituitary function test outside reference range

Tabular List NotesGuidance

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

Type 2 Excludes

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.

    • Abnormal, abnormality, abnormalities
      • function studies
        • endocrine NEC
    • Findings, abnormal, inconclusive, without diagnosis
      • function study NEC
        • endocrine NEC

Clinical ClassificationClinical

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

CCSR SYM017
Abnormal findings without diagnosis
Default principal diagnosis: inpatient Yes · outpatient Yes

Convert R94.7 to ICD-9-CMHistory

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

ICD-9-CM
794.6 Abn endocrine study NEC
Exact Match The mapping is direct, with no qualifiers.

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 R94.7Overview

Is R94.7 (Abnormal results of function studies) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report abnormal results of other endocrine function studies on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does R94.7 group to?

When abnormal results of other endocrine function studies 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.

Can R94.7 be a principal diagnosis?

Use it with care. This is a symptom code, so once a definitive diagnosis explaining the abnormal results of other endocrine function studies is established, that condition takes the principal position instead.

What is the ICD-9 equivalent of R94.7?

Under the General Equivalence Mappings, abnormal results of other endocrine function studies converts to ICD-9-CM 794.6 (abn endocrine study NEC). The mapping is a direct match.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.