2026 ICD-10-CM Diagnosis Code R93.9Diagnostic imaging inconclusive due to excess body fat of patient

ICD-10-CM Codes›R00–R99›R90-R94›R93

ICD-10-CM R93.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

R93.9 is a billable ICD-10-CM diagnosis code for diagnostic imaging inconclusive due to excess body fat of patient. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 947 through 948. 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
R93.9
Billable Status
Yes — Valid for Submission
Code Describes
Diagnostic imaging inconclusive due to excess body fat of patient
Short Description
Dx imaging inconclusive due to excess body fat of patient
Parent Code
R93
Abnormal findings on diagnostic imaging of other body structures

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
CategoryR93Abnormal findings on diagnostic imaging of other body structures
This CodeR93.9Diagnostic imaging inconclusive due to excess body fat of patient

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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 R93.9 to ICD-9-CMHistory

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

ICD-9-CM
793.91 Image test incon d/t fat
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 R93.9Overview

What is the ICD-10 code for diagnostic imaging inconclusive due to excess body fat of patient?

The ICD-10-CM code for diagnostic imaging inconclusive due to excess body fat of patient is R93.9 (sometimes written as R939). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is R93.9 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report diagnostic imaging inconclusive due to excess body fat of patient on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does R93.9 group to?

When diagnostic imaging inconclusive due to excess body fat of patient is the principal diagnosis on an inpatient stay, it groups to MS-DRG 947, 948, with relative weights from 0.8005 to 1.2694 depending on complications. Higher weights mean higher Medicare reimbursement.

Can R93.9 be a principal diagnosis?

Use it with care. This is a symptom code, so once a definitive diagnosis explaining the diagnostic imaging inconclusive due to excess body fat of patient is established, that condition takes the principal position instead.

What is the ICD-9 equivalent of R93.9?

Under the General Equivalence Mappings, diagnostic imaging inconclusive due to excess body fat of patient converts to ICD-9-CM 793.91 (image test incon d/t fat). The mapping is a direct match.