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Home/Diagnosis/ICD-10 Coding for Abnormal Glucose in Pregnancy

ICD-10 Coding for Abnormal Glucose in Pregnancy

O99.81
O24.4

Complete ICD-10-CM coding and documentation guide for icd-10 coding for abnormal glucose in pregnancy includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Glucose Intolerance in Pregnancy
Hyperglycemia in Pregnancy
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Key Information: ICD-10 Coding for Abnormal Glucose in Pregnancy

Essential facts and insights about ICD-10 Coding for Abnormal Glucose in Pregnancy

Use ICD-10 code O99.81 for abnormal glucose complicating pregnancy, childbirth, and the puerperium, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Abnormal glucose complicating pregnancy, childbirth, and the puerperium

Non-Billable
O99.81
Non-Billable

Diagnostic Criteria

clinical:
  • 1-hour GCT ≥ 130-140 mg/dL without confirmatory 3-hour GTT
documentation:
  • Documented abnormal 1-hour GCT with normal 3-hour GTT

Applicable To

  • • Glucose intolerance in pregnancy without gestational diabetes

Gestational diabetes mellitus

Non-Billable
O24.4
Non-Billable

Diagnostic Criteria

clinical:
  • 3-hour glucose tolerance test with ≥2 abnormal values

Applicable To

  • • Gestational diabetes confirmed by 3-hour GTT
Ancillary Codes

Additional codes that may be used with this diagnosis

Z3A.-

Weeks of gestation

Used to specify the gestational age of the pregnancy.

Frequently Asked Questions

What is the ICD-10 code for abnormal glucose in pregnancy?

The ICD-10 code for abnormal glucose in pregnancy is O99.81, used when glucose levels are elevated but do not meet gestational diabetes criteria.

How is gestational diabetes coded differently from abnormal glucose?

Gestational diabetes is coded as O24.4 when confirmed by a 3-hour glucose tolerance test with ≥2 abnormal values.

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