ICD-10-CM 2027
ICD-10 code for glycosuria
From the official ICD-10-CM alphabetic index entry “Glycosuria”. Page updated September 29, 2026.
About coding glycosuria
The ICD-10-CM code for glycosuria is R81 (Glycosuria). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on R81.
Don't report R81 together with the conditions in its Excludes1 note: renal glycosuria (E74.818).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 637 (Diabetes with MCC, relative weight 1.4129), DRG 638 (Diabetes with CC, relative weight 0.9019) and DRG 639 (Diabetes without CC/MCC, relative weight 0.6376), in MDC 10 (Endocrine, Nutritional and Metabolic Diseases and Disorders), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific glycosuria codes (official index)
- renal (familial) E74.818 — Other disorders of glucose transport
Don't confuse with (Excludes1 for R81)
- renal glycosuria (E74.818)
Common questions about glycosuria ICD-10 codes
What is the ICD-10 code for glycosuria?
- R81 — Glycosuria. More specific codes apply when the documentation supports them: E74.818.
What is the ICD-10 code for renal glycosuria?
- E74.818 — Other disorders of glucose transport.
Is R81 billable?
- Yes. R81 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R81 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R81 as a principal diagnosis.
Is R81 a CC or MCC?
- No. R81 is neither a CC nor an MCC under MS-DRG v44.0.