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ICD-10-CM Code R23.0

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

R23.0 is a billable ICD code used to specify a diagnosis of cyanosis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code R230 is used to code Cyanosis

Cyanosis is the appearance of a blue or purple coloration of the skin or mucous membranes due to the tissues near the skin surface having low oxygen saturation. Based on Lundsgaard and Van Slyke's work, it is classically described as occurring if 5.0 g/dL of deoxyhemoglobin or greater is present. This was based on an "estimate" of capillary saturation based on a mean of arterial versus peripheral venous blood gas measurements. Since estimation of hypoxia is usually now based either on arterial blood gas measurement or pulse oximetry, this is probably an overestimate, with evidence that levels of 2.0 g/dL of deoxyhemoglobin may reliably produce cyanosis. Since, however, the presence of cyanosis is dependent upon there being an absolute quantity of deoxyhemoglobin, the bluish color is more readily apparent in those with high hemoglobin counts than it is with those with anemia. Also the bluer color is more difficult to detect on deeply pigmented skin. When signs of cyanosis first appear, such as on the lips or fingers, intervention should be made within 3–5 minutes because a severe hypoxia or severe circulatory failure may have induced the cyanosis.

Specialty: Pulmonology, Cardiology
MeSH Code: D003490
ICD 9 Code: 782.5

Cyanosis of the hand in someone with low oxygen saturations

Source: Wikipedia

Coding Notes for R23.0 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Acrocyanosis - instead, use code I73.8
Cyanotic attacks of newborn - instead, use code P28.2

MS-DRG Mapping

  • DRG Group #947-948 - Signs and symptoms with MCC.
  • DRG Group #947-948 - Signs and symptoms without MCC.

ICD-10-CM Alphabetical Index References for 'R23.0 - Cyanosis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R23.0. Click on any term below to browse the alphabetical index.

Cyanosis (R23.0)


Cyanosis (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 782.5 was previously used, R23.0 is the appropriate modern ICD10 code.

Parent Code: R23 - Other skin changes

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R230