2027 ICD-10-CM Diagnosis Code O90.9Complication of the puerperium, unspecified
ICD-10-CM Codes›O00-O9A›O85-O92›O90
- Billable — Valid for Submission
- Not Chronic
O90.9 is a billable ICD-10-CM diagnosis code for complication of the puerperium, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 769, 776. The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64). Coders also document this condition as complication of pregnancy, childbirth and/or puerperium. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complications specified during the puerperium.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for O90.9.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Complication of pregnancy, childbirth and/or puerperium
- Disorder of puerperium
- Fourth degree perineal laceration
- Fourth degree perineal tear during delivery with postnatal problem
- Postnatal examination finding
- Postnatal examination minor problem found
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to O90.9: its own notes plus those printed at block O85-O92 and Chapter 15. A note printed at a category, block or chapter applies to every code under it.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Notes
General instructions on how these codes are used.
- CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- 1st trimester- less than 14 weeks 0 days
- 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- 3rd trimester- 28 weeks 0 days until delivery
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Puerperal, puerperium (complicated by, complications)
complications O90.9
disease O90.9
disorder O90.9
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Postpartum Care
Taking home a new baby is one of the happiest times in a woman's life. But it also presents both physical and emotional challenges. :
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert O90.9 to ICD-9-CMHistory
Code HistoryHistory
Questions About O90.9Overview
What is the ICD-10 code for complication of the puerperium, unspecified?
The ICD-10-CM code for complication of the puerperium, unspecified is O90.9 (sometimes written as O909). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is O90.9 (Complications of the puerperium, not elsewhere classified) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report complication of the puerperium, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does O90.9 group to?
When complication of the puerperium, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 769, 776, with relative weights from 0.6718 to 1.6666 depending on complications. Higher weights mean higher Medicare reimbursement.
Who can O90.9 be reported for?
The Medicare Code Editor checks complication of the puerperium, unspecified against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.
What is the ICD-9 equivalent of O90.9?
Under the General Equivalence Mappings, complication of the puerperium, unspecified converts to ICD-9-CM 674.92 (puerp comp NOS-del w p/p) and 674.94 (puerp compl NOS-postpart). The mapping is approximate, so confirm the match fits the documentation.
