ICDcodes.org
FY2027

O10.212Pre-existing hypertensive chronic kidney disease complicating pregnancy, second trimester

Billable

Is O10.212 billable?

Yes — O10.212 is billable for FY2027. O10.212 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. O10.212 may be submitted for encounters from October 1, 2026 through September 30, 2027.

O10.212 at a glance

CodeO10.212
DescriptionPre-existing hypertensive chronic kidney disease complicating pregnancy, second trimester
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does O10.212 group to?

O10.212 sits in MDC 14 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 817Other Antepartum Diagnoses with O.R. Procedures with MCCsurgical
  • 818Other Antepartum Diagnoses with O.R. Procedures with CCsurgical
  • 819Other Antepartum Diagnoses with O.R. Procedures without CC/MCCsurgical

How is O10.212 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under O10.21, the nearest indexed parent of O10.212. Use them to find the family, then select the specific code.

  • Hypertension, hypertensivecomplicatingpregnancypre-existingwithrenal disease (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O10.212 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • supervision of normal pregnancy (Z34.-)

Use additional code — inherited from Chapter 15

Report an additional code alongside O10.212 to fully describe the condition. O10.212 is sequenced first.

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Use additional code — inherited from O10.2

Report an additional code alongside O10.212 to fully describe the condition. O10.212 is sequenced first.

  • code from I12 to identify the type of hypertensive chronic kidney disease

Excludes2 — not included here — inherited from Chapter 15

The conditions below are not part of O10.212, but a patient may have both at the same time. When documentation supports it, O10.212 and the excluded code may both be reported.

  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)

Excludes2 — not included here — inherited from O10

The conditions below are not part of O10.212, but a patient may have both at the same time. When documentation supports it, O10.212 and the excluded code may both be reported.

  • pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)

How long has O10.212 existed?

O10.212 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the O10.21 family? (3)