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O24.11 ICD-10-CM Code: Pre-existing type 2 diabetes mellitus, in pregnancy

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Pre-existing type 2 diabetes mellitus, in pregnancy is a non-billable ICD-10-CM category code (O24.11). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for O24.11 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code (for):
  • from category E11 to further identify any manifestations
  • injectable non-insulin antidiabetic drugs (Z79.85)
  • long-term (current) use of insulin (Z79.4)

Frequently Compared Codes

The official Excludes notes on O24.11 name these codes. Each comparison page covers when the two can — or must not — be reported together.

Change history

  • FY2017 — 2016-10-01
    Description revised
    Pre-existing diabetes mellitus, type 2, in pregnancy → Pre-existing type 2 diabetes mellitus, in pregnancy
    FY2017 changes
  • FY2017 — 2016-10-01
    Short description revised
    Pre-existing diabetes mellitus, type 2, in pregnancy → Pre-existing type 2 diabetes mellitus, in pregnancy
    FY2017 changes

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Relationships & Classification

Official ICD-10-CM tabular notes on other codes that name O24.11 or its code family.

1 Excludes1 notes: R73 (via O24.-).

1 Excludes2 notes: O99.2 (via O24.-).

Contextual Map

Every relationship of O24.11 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • O00-O9A — Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A) (O00-O9A) [Hierarchy]
  • O20-O29 — Other maternal disorders predominantly related to pregnancy [Hierarchy]
  • O24 — Clinical Diagnosis [Hierarchy]
  • O24.1 — Clinical Diagnosis [Hierarchy]

Referenced by Excludes1 notes

  • R73 — Elevated blood glucose level [Excludes1](via O24.-): “diabetes mellitus in pregnancy, childbirth and the puerperium (O24.-)” · check together

Referenced by Excludes2 notes

  • O99.2 — Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium [Excludes2](via O24.-): “diabetes mellitus (O24.-)” · check together

Nearest codes (40)

  • O24 — Diabetes mellitus in pregnancy, childbirth, and the puerperium [Sibling]
  • O24.0 — Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium [Sibling]
  • O24.01 — Pre-existing type 1 diabetes mellitus, in pregnancy [Sibling]
  • O24.011 — Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester [Sibling]
  • O24.012 — Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester [Sibling]
  • O24.013 — Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester [Sibling]
  • O24.019 — Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester [Sibling]
  • O24.02 — Pre-existing type 1 diabetes mellitus, in childbirth [Sibling]
  • and 32 more

Change history (2)

  • FY2017 — Description revised [Change history]
  • and 1 more

Frequently Asked Questions (FAQ) & Clinical Guidance

Can O24.11 be billed directly?

No. O24.11 (Pre-existing type 2 diabetes mellitus, in pregnancy) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to O24.11 in its code family, with their registry titles.

  • O24.013 — Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester
  • O24.019 — Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester
  • O24.02 — Pre-existing type 1 diabetes mellitus, in childbirth
  • O24.03 — Pre-existing type 1 diabetes mellitus, in the puerperium
  • O24.1 — Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium
  • O24.111 — Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester
  • O24.112 — Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester
  • O24.113 — Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester
  • O24.119 — Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester
  • O24.12 — Pre-existing type 2 diabetes mellitus, in childbirth

View all codes in the O24 family