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O24.019

Billable

Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A patient with type 1 diabetes that existed before pregnancy, but the specific trimester of pregnancy is not documented or specified.

Coding Tips

  • •Use only when trimester cannot be determined from documentation; this is a less specific code
  • •Query provider if possible to determine correct trimester-specific code (O24.011, O24.012, or O24.013)

Code Hierarchy

└O24Diabetes mellitus in pregnancy, childbirth, and the puerperium└O24.0Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium└O24.01Pre-existing type 1 diabetes mellitus, in pregnancy└O24.019Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester
└O24.019Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester

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