ICD-10-CM 2027 diagnosis code
O26.87Cervical shortening
O26.87 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About O26.87
O26.87 is the ICD-10-CM diagnosis code for cervical shortening. It belongs to category O26 (maternal care for other conditions predominantly related to pregnancy), block O20-O29 (other maternal disorders predominantly related to pregnancy) and chapter 15 (pregnancy, childbirth and the puerperium). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.
Within O26.8 (other specified pregnancy related conditions), O26.87 is specifically for cervical shortening. Related codes cover pregnancy related exhaustion and fatigue (O26.81), pregnancy related peripheral neuritis (O26.82), pregnancy related renal disease (O26.83), uterine size-date discrepancy complicating pregnancy (O26.84), Spotting complicating pregnancy (O26.85), pruritic urticarial papules and plaques of pregnancy (PUPPP) (O26.86) and other specified pregnancy related conditions (O26.89).
To report this condition, pick the subcode that matches the documentation: O26.872 (second trimester), O26.873 (third trimester) and O26.879 (unspecified trimester).
Don't report O26.87 together with the conditions in its Excludes1 note: encounter for suspected cervical shortening ruled out (Z03.75).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under O26.87
Coding notes
- encounter for suspected cervical shortening ruled out (Z03.75)
Notes that apply from higher levels
Instructions written at a parent level also apply to O26.87.
Broader instructions also apply from O20-O29 Other maternal disorders predominantly related to pregnancy and Chapter 15: Pregnancy, childbirth and the puerperium.
Alphabetic index entries
3 entriesTerms in the official ICD-10-CM index that lead to O26.87.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about O26.87
Is O26.87 billable?
- No. O26.87 is a header code. Report one of its more specific subcodes instead.