O29.9 — Unspecified complication of anesthesia during pregnancy
Is O29.9 billable?
No — O29.9 is a non-billable header code. O29.9 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 O29.9.
Billable codes under this header
- O29.90Unspecified complication of anesthesia during pregnancy, unspecified trimester
- O29.91Unspecified complication of anesthesia during pregnancy, first trimester
- O29.92Unspecified complication of anesthesia during pregnancy, second trimester
- O29.93Unspecified complication of anesthesia during pregnancy, third trimester
O29.9 at a glance
| Code | O29.9 |
|---|---|
| Description | Unspecified complication of anesthesia during pregnancy |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is O29.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to O29.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Pregnancy › complicated by › adverse effect anesthesia (single) (uterine)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O29.9 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 O29.9 to fully describe the condition. O29.9 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 O29
Report an additional code alongside O29.9 to fully describe the condition. O29.9 is sequenced first.
- code, if necessary, to identify the complication
Excludes2 — not included here — inherited from Chapter 15
The conditions below are not part of O29.9, but a patient may have both at the same time. When documentation supports it, O29.9 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O20-O29
The conditions below are not part of O29.9, but a patient may have both at the same time. When documentation supports it, O29.9 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O29
The conditions below are not part of O29.9, but a patient may have both at the same time. When documentation supports it, O29.9 and the excluded code may both be reported.
What codes fall under O29.9? (4)
- O29.90Unspecified complication of anesthesia during pregnancy, unspecified trimester
- O29.91Unspecified complication of anesthesia during pregnancy, first trimester
- O29.92Unspecified complication of anesthesia during pregnancy, second trimester
- O29.93Unspecified complication of anesthesia during pregnancy, third trimester
How long has O29.9 existed?
O29.9 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.
Which conditions are coded to O29.9?
What other codes are in the O29 family? (8)
- O29.0Pulmonary complications of anesthesia during pregnancynot billable
- O29.1Cardiac complications of anesthesia during pregnancynot billable
- O29.2Central nervous system complications of anesthesia during pregnancynot billable
- O29.3Toxic reaction to local anesthesia during pregnancynot billable
- O29.4Spinal and epidural anesthesia induced headache during pregnancynot billable
- O29.5Other complications of spinal and epidural anesthesia during pregnancynot billable
- O29.6Failed or difficult intubation for anesthesia during pregnancynot billable
- O29.8Other complications of anesthesia during pregnancynot billable