2026 ICD-10-CM Diagnosis Code T85.29XSOther mechanical complication of intraocular lens, sequela
T85.29XS is a billable ICD-10-CM diagnosis code for other mechanical complication of intraocular lens, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 922 through 923. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complication, sequela.
Code Identity
Code Classification
Present on Admission (POA)Billing
T85.29XS is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Deposit on intraocular lens
- Deposit on intraocular lens of left eye
- Deposit on intraocular lens of right eye
- Deposits on intraocular lens obscuring vision
- Intraocular lens intralenticular opacification
- Mechanical obstruction of intraocular lens
- Perforation of intraocular lens
- Protrusion of intraocular lens
- Silicone oil droplets on intraocular lens
- Wrong power intraocular lens
- YAG laser pit in intraocular lens
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Complications of other internal prosthetic devices, implants and grafts (T85). Use the following options for the applicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026, published by CMS and the National Center for Health Statistics.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Cataract
A cataract is a clouding of the lens in your eye. It affects your vision. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert T85.29XS to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About T85.29XSOverview
Is T85.29XS (Other mechanical complication of intraocular lens) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other mechanical complication of intraocular lens, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in T85.29XS mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the other mechanical complication of intraocular lens itself has resolved, not the original event.
What MS-DRG does T85.29XS group to?
When other mechanical complication of intraocular lens, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 922, 923, with relative weights from 1.0177 to 1.7494 depending on complications. Higher weights mean higher Medicare reimbursement.
Is T85.29XS exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for other mechanical complication of intraocular lens, sequela on inpatient claims.
What is the ICD-9 equivalent of T85.29XS?
Under the General Equivalence Mappings, other mechanical complication of intraocular lens, sequela converts to ICD-9-CM 909.3 (late eff surg/med compl). The mapping is approximate, so confirm the match fits the documentation.
