ICD-10-CM 2027
ICD-10 code for Plethora
From the official ICD-10-CM alphabetic index entry “Plethora”. Page updated September 29, 2026.
About coding Plethora
The ICD-10-CM code for Plethora is R23.2 (Flushing). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on R23.2.
Within R23 (other skin changes), R23.2 is specifically for Flushing. Related codes cover Cyanosis (R23.0), Pallor (R23.1), spontaneous ecchymoses (R23.3), changes in skin texture (R23.4), other skin changes (R23.8) and unspecified skin changes (R23.9).
Code first: , if applicable, menopausal and female climacteric states (N95.1).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific Plethora codes (official index)
- newborn P61.1 — Polycythemia neonatorum
Common questions about Plethora ICD-10 codes
What is the ICD-10 code for Plethora?
- R23.2 — Flushing. More specific codes apply when the documentation supports them: P61.1.
What is the ICD-10 code for newborn plethora?
- P61.1 — Polycythemia neonatorum.
Is R23.2 billable?
- Yes. R23.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R23.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R23.2 as a principal diagnosis.
Is R23.2 a CC or MCC?
- No. R23.2 is neither a CC nor an MCC under MS-DRG v44.0.