O10.41 — Pre-existing secondary hypertension complicating pregnancy
Is O10.41 billable?
No — O10.41 is a non-billable header code. O10.41 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath O10.41.
Billable codes under this header
- O10.411Pre-existing secondary hypertension complicating pregnancy, first trimester
- O10.412Pre-existing secondary hypertension complicating pregnancy, second trimester
- O10.413Pre-existing secondary hypertension complicating pregnancy, third trimester
- O10.419Pre-existing secondary hypertension complicating pregnancy, unspecified trimester
O10.41 at a glance
| Code | O10.41 |
|---|---|
| Description | Pre-existing secondary hypertension complicating pregnancy |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is O10.41 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O10.41. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Hypertension, hypertensive › complicating › pregnancy › pre-existing › secondary (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O10.41 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 O10.41 to fully describe the condition. O10.41 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 O10.4
Report an additional code alongside O10.41 to fully describe the condition. O10.41 is sequenced first.
- code from I15 to identify the type of secondary hypertension
Excludes2 — not included here — inherited from Chapter 15
The conditions below are not part of O10.41, but a patient may have both at the same time. When documentation supports it, O10.41 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O10
The conditions below are not part of O10.41, but a patient may have both at the same time. When documentation supports it, O10.41 and the excluded code may both be reported.
- pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)
What codes fall under O10.41? (4)
- O10.411Pre-existing secondary hypertension complicating pregnancy, first trimester
- O10.412Pre-existing secondary hypertension complicating pregnancy, second trimester
- O10.413Pre-existing secondary hypertension complicating pregnancy, third trimester
- O10.419Pre-existing secondary hypertension complicating pregnancy, unspecified trimester
How long has O10.41 existed?
O10.41 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.