ICD-10-CM › R00-R99 › R70-R79 › R73.0 Abnormal glucose › R73.02
Impaired glucose tolerance (oral)
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Impaired glucose tolerance (oral)
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from R73 Elevated blood glucose level
Excludes1 - never coded here
- diabetes mellitus (E08-E13)
- diabetes mellitus in pregnancy, childbirth and the puerperium (O24.-)
- neonatal disorders (P70.0-P70.2)
- postsurgical hypoinsulinemia (E89.1)
Inherited from the R70-R79 section Abnormal findings on examination of blood, without diagnosis (R70-R79)
Excludes2 - not included here
- abnormal findings on antenatal screening of mother (O28.-)
- abnormalities of lipids (E78.-)
- abnormalities of platelets and thrombocytes (D69.-)
- abnormalities of white blood cells classified elsewhere (D70-D72)
- coagulation hemorrhagic disorders (D65-D68)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- hemorrhagic and hematological disorders of newborn (P50-P61)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Raised
- Elevated, elevation > glucose tolerance
- Impaired, impairment > glucose tolerance
Codes in the same group
| Code | Description | Status |
|---|---|---|
| R73.01 | Impaired fasting glucose | Valid |
| R73.03 | Prediabetes | Valid |
| R73.09 | Other abnormal glucose | Valid |