ICD-10/H35.00

H35.00 ICD 2026 Code: Unspecified background retinopathy

H35.00 is the authoritative medical code for Unspecified background retinopathy. This classification is used in medical billing and clinical recording to specify the clinical criteria for unspecified background retinopathy (ICD-10-CM H35.00), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Unspecified background retinopathy is a billable ICD-10-CM diagnosis code H35.00. Excludes2 (not included here): diabetic retinal disorders (E08.311-E08.359, E09.311-E09.359, E10.311-E10.359, E11.311-E11.359, E13.311-E13.359). Code also: any associated hypertension I10.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for H35.00 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • diabetic retinal disorders (E08.311-E08.359, E09.311-E09.359, E10.311-E10.359, E11.311-E11.359, E13.311-E13.359)

Code Also

Additional codes that may be required to fully describe the encounter.

  • any associated hypertension I10

Frequently Asked Questions (FAQ) & Clinical Guidance

Can H35.00 be reported alongside related conditions?

Per Excludes2 instructions, H35.00 and the following may both be reported when both are present: diabetic retinal disorders (E08.311-E08.359, E09.311-E09.359, E10.311-E10.359, E11.311-E11.359, E13.311-E13.359).

Codes in This Family (40)

Official ICD-10-CM classifications in the same code family as H35.00, with their registry titles.

  • H35 — Other retinal disorders
  • H35.0 — Background retinopathy and retinal vascular changes
  • H35.01 — Changes in retinal vascular appearance
  • H35.011 — Changes in retinal vascular appearance, right eye
  • H35.012 — Changes in retinal vascular appearance, left eye
  • H35.013 — Changes in retinal vascular appearance, bilateral
  • H35.019 — Changes in retinal vascular appearance, unspecified eye
  • H35.02 — Exudative retinopathy
  • H35.021 — Exudative retinopathy, right eye
  • H35.022 — Exudative retinopathy, left eye
  • H35.023 — Exudative retinopathy, bilateral
  • H35.029 — Exudative retinopathy, unspecified eye
  • H35.03 — Hypertensive retinopathy
  • H35.031 — Hypertensive retinopathy, right eye
  • H35.032 — Hypertensive retinopathy, left eye
  • H35.033 — Hypertensive retinopathy, bilateral
  • H35.039 — Hypertensive retinopathy, unspecified eye
  • H35.04 — Retinal micro-aneurysms, unspecified
  • H35.041 — Retinal micro-aneurysms, unspecified, right eye
  • H35.042 — Retinal micro-aneurysms, unspecified, left eye
  • H35.043 — Retinal micro-aneurysms, unspecified, bilateral
  • H35.049 — Retinal micro-aneurysms, unspecified, unspecified eye
  • H35.05 — Retinal neovascularization, unspecified
  • H35.051 — Retinal neovascularization, unspecified, right eye
  • H35.052 — Retinal neovascularization, unspecified, left eye
  • H35.053 — Retinal neovascularization, unspecified, bilateral
  • H35.059 — Retinal neovascularization, unspecified, unspecified eye
  • H35.06 — Retinal vasculitis
  • H35.061 — Retinal vasculitis, right eye
  • H35.062 — Retinal vasculitis, left eye
  • H35.063 — Retinal vasculitis, bilateral
  • H35.069 — Retinal vasculitis, unspecified eye
  • H35.07 — Retinal telangiectasis
  • H35.071 — Retinal telangiectasis, right eye
  • H35.072 — Retinal telangiectasis, left eye
  • H35.073 — Retinal telangiectasis, bilateral
  • H35.079 — Retinal telangiectasis, unspecified eye
  • H35.09 — Other intraretinal microvascular abnormalities
  • H35.1 — Retinopathy of prematurity
  • H35.10 — Retinopathy of prematurity, unspecified

Indexed Clinical Terms (2)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Retinopathy (background)
  • Sclerosis, sclerotic, retina (senile) (vascular)

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code H30.00 Unspecified focal chorioretinal inflammation
ICD Code H31.00 Unspecified chorioretinal scars
ICD Code H33.00 Unspecified retinal detachment with retinal break
ICD Code H34.00 Transient retinal artery occlusion, unspecified eye
ICD Code H40.00 Preglaucoma, unspecified
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