R23.0

Billable

ChapterR00–R99

Ranksubcategory

Official Description

Cyanosis

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

Instructional Notes

Excludes1(Not coded here)

acrocyanosis (I73.8)
cyanotic attacks of newborn (P28.2)

General instructions are available for the parent sections:

View CH18 Notes View R20-R23 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

R20-R23Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)

R23Other skin changes

R23.0Cyanosis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R23.0:

blockR20-R23

Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)

View context instructions

chapterCH18

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R23.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths

Change (s) (in) (of)1 unique routes

skin

cyanosis→R23.0

Cyanosis1 unique routes

Direct index entry→R23.0

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 947

Signs and Symptoms with MCC

DRG 948

Signs and Symptoms without MCC

Cross Reference

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