O29.3X3 — Toxic reaction to local anesthesia during pregnancy, third trimester
Is O29.3X3 billable?
Yes — O29.3X3 is billable for FY2027. O29.3X3 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. O29.3X3 may be submitted for encounters from October 1, 2026 through September 30, 2027.
O29.3X3 at a glance
| Code | O29.3X3 |
|---|---|
| Description | Toxic reaction to local anesthesia during pregnancy, third trimester |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does O29.3X3 group to?
O29.3X3 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 O29.3X3 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under O29.3X, the nearest indexed parent of O29.3X3. Use them to find the family, then select the specific code.
- Reaction › toxic, to local anesthesia › in pregnancy
- Pregnancy › complicated by › adverse effect anesthesia › local, toxic reaction (single) (uterine)
Excludes1 — never code together — inherited from Chapter 15
The conditions below can never be reported together with O29.3X3 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 O29.3X3 to fully describe the condition. O29.3X3 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 O29.3X3 to fully describe the condition. O29.3X3 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 O29.3X3, but a patient may have both at the same time. When documentation supports it, O29.3X3 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O20-O29
The conditions below are not part of O29.3X3, but a patient may have both at the same time. When documentation supports it, O29.3X3 and the excluded code may both be reported.
Excludes2 — not included here — inherited from O29
The conditions below are not part of O29.3X3, but a patient may have both at the same time. When documentation supports it, O29.3X3 and the excluded code may both be reported.
How long has O29.3X3 existed?
O29.3X3 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.