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E13.3522 vs E13.3529

E13.3522 (Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, left eye) compared with E13.3529 (Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, unspecified eye), from the official CMS tabular data. E13.3522 and E13.3529 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

E13.3522
Left
Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, left eye
↔
E13.3529
Unspecified
Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, unspecified eye

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. E13.3522 and E13.3529 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

E13.3522Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, left eyeE13.3529Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, unspecified eye
Billing statusBillableBillable
ClassificationE00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)
DefinitionOther specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, left eye is a billable ICD-10-CM diagnosis code (E13.3522).Other specified diabetes mellitus with proliferative diabetic retinopathy with traction retinal detachment involving the macula, unspecified eye is a billable ICD-10-CM diagnosis code (E13.3529).
7th characterOne of the following 7th characters is to be assigned to codes in subcategory E13.35 to designate laterality of the disease:One of the following 7th characters is to be assigned to codes in subcategory E13.35 to designate laterality of the disease:
Includes
diabetes mellitus due to genetic defects of beta-cell function
diabetes mellitus due to genetic defects in insulin action
postpancreatectomy diabetes mellitus
postprocedural diabetes mellitus
diabetes mellitus due to genetic defects of beta-cell function
diabetes mellitus due to genetic defects in insulin action
postpancreatectomy diabetes mellitus
postprocedural diabetes mellitus
Use additional code
code to identify control using:
injectable non-insulin antidiabetic drugs (Z79.85)
insulin (Z79.4)
code to identify control using:
injectable non-insulin antidiabetic drugs (Z79.85)
insulin (Z79.4)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources