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ICD-10-CM Code R73.02
Impaired glucose tolerance (oral)

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

R73.02 is a billable ICD code used to specify a diagnosis of impaired glucose tolerance (oral). A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code R730 is used to code Impaired fasting glucose

Impaired fasting glucose (IFG), more commonly known as pre-diabetes refers to a condition in which the fasting blood glucose level is consistently elevated above what is considered normal levels; however, it is not high enough to be diagnosed as diabetes mellitus. This pre-diabetic state is associated with insulin resistance and increased risk of cardiovascular pathology, although of lesser risk than impaired glucose tolerance (IGT). IFG can progress to type 2 diabetes mellitus if lifestyle changes are not made. There is a 50% risk over 10 years of progressing to overt diabetes. A recent study cited the average time for progression as less than three years.

MeSH Codes: , D011236, D018149
ICD 9 Codes: 790.21, 790.29, 790.21
Source: Wikipedia

Coding Notes for R73.02 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Elevated glucose tolerance

MS-DRG Mapping

  • DRG Group #640-641 - Misc disorders of nutrition, metabolism, fluids or electrolytes with MCC.
  • DRG Group #640-641 - Misc disorders of nutrition, metabolism, fluids or electrolytes without MCC.

Related Concepts SNOMET-CT

  • Impaired glucose tolerance with hyperinsulism (disorder)

ICD-10-CM Alphabetical Index References for 'R73.02 - Impaired glucose tolerance (oral)'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R73.02. Click on any term below to browse the alphabetical index.


Impaired glucose tolerance test (oral) (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 790.22 was previously used, R73.02 is the appropriate modern ICD10 code.

Parent Code: R73.0 - Abnormal glucose

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R7302