Is ICD-10-CM code R23 billable?

No, R23 (Other skin changes) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code R23 belong to?

R23 belongs to Chapter 18 of the ICD-10-CM tabular list: R00–R99 (Symptoms, Signs and Abnormal Clinical and Laboratory Findings).

R23Non-billable

Other skin changes

Symptoms, Signs and Abnormal Clinical and Laboratory Findings·Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)·category·FY 2026

Use a more specific code (7 billable)

R23.0Cyanosis R23.1Pallor R23.2Flushing R23.3Spontaneous ecchymoses R23.4Changes in skin texture R23.8Other skin changes R23.9Unspecified skin changes

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

abnormal findings on antenatal screening of mother (O28.-)
certain conditions originating in the perinatal period (P04-P96)
signs and symptoms classified in the body system chapters
signs and symptoms of breast (N63, N64.5)

R20-R23 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

symptoms relating to breast (N64.4-N64.5)

Clinical Hierarchy

BillableHas subcodes

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 changesNot billable

R23.0CyanosisBillable

R23.1PallorBillable

R23.2FlushingBillable

R23.3Spontaneous ecchymosesBillable

R23.4Changes in skin textureBillable

R23.8Other skin changesBillable

R23.9Unspecified skin changesBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.