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H53.40 ICD-10-CM Code: Unspecified visual field defects

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

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43, Appendix B.

  • MS-DRG 123 — NEUROLOGICAL EYE DISORDERS (MDC 02)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Coder workflow for H53.40

MedCoder structured workflow — derived from this code’s own official record

Before you code H53.40

  1. Unspecified does not mean incorrect. When the record gives no greater specificity, H53.40 may be the appropriate code. Check the record for detail that supports a more specific sibling. An unspecified code is for records that do not provide the detail a more specific code needs; a query, not an assumption, is the route to specificity (Guidelines I.A.9.b, I.B.18).

    ReviewH53.41, H53.42, H53.43, H53.45

    See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →

Choose the right path

  1. Does the record document the detail a more specific sibling code needs?
    Yes → Review the specific siblings in this subcategory.
    No → Continue — H53.40 is appropriate when the documentation goes no further.

    ReviewH53.41, H53.42, H53.43, H53.45

Consider H53.40. Then confirm the code is valid for the date of service in the Verify section.

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
Any detail beyond this code’s title
What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.

Coding decision scenarios

Pattern scenarios for this code’s structure — decision rules, not clinical cases

Documentation: The provider documents the condition in the terms of this code’s title and records no further detail.

Coding question: Is a more specific sibling code supportable?

Path: Review the specific siblings in this subcategory and what each requires the record to state.

Reason: A more specific code needs documentation of the distinguishing element; without it the unspecified code is appropriate, and a provider query is the route to specificity (Guidelines I.A.9.b, I.B.18).

ReviewH53.41, H53.42, H53.43, H53.45

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Code Overview

Unspecified visual field defects is a billable ICD-10-CM diagnosis code (H53.40).

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Indexed Clinical Terms (1)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

Verify Before Coding

  • No Medicare Code Editor or MS-DRG Definitions Manual restrictions apply to this code.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

MedCoder structured relationships — computed from published CMS and AHRQ datasets

Other codes that name H53.40 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 1 Use Additional Code instruction: S04.0 — Injury of optic nerve and pathways (via H53.4.-).

These codes instruct coders to additionally report this code when it applies.

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

FY2026 MS-DRG: not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity for that release.

Named in the grouper logic of 1 MS-DRG: DRG 123 (MDC 02).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):EYE010 — Blindness and vision defects (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Blindness and vision defects).

H53.149 — Visual discomfort, unspecified, H53.15 — Visual distortions of shape and size, H53.16 — Psychophysical visual disturbances, H53.19 — Other subjective visual disturbances, H53.2 — Diplopia, H53.30 — Unspecified disorder of binocular vision, H53.31 — Abnormal retinal correspondence, H53.32 — Fusion with defective stereopsis, H53.33 — Simultaneous visual perception without fusion, H53.34 — Suppression of binocular vision, H53.411 — Scotoma involving central area, right eye, H53.412 — Scotoma involving central area, left eye, H53.413 — Scotoma involving central area, bilateral, H53.419 — Scotoma involving central area, unspecified eye, H53.421 — Scotoma of blind spot area, right eye, H53.422 — Scotoma of blind spot area, left eye, H53.423 — Scotoma of blind spot area, bilateral, H53.429 — Scotoma of blind spot area, unspecified eye, H53.431 — Sector or arcuate defects, right eye, H53.432 — Sector or arcuate defects, left eye, +116 more

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main term “Defect, defective”; these codes share that main term but sit in a different category of the Tabular List.

E29.1 — Testicular hypofunction (biosynthesis, androgen), E72.81 — Disorders of gamma aminobutyric acid metabolism (GABAmetabolic), E74.810 — Glucose transporter protein type 1 deficiency (glucose transport, blood-brain barrier), E77.0 — Defects in post-translational modification of lysosomal enzymes (lysosomal enzyme, post-translational modification), E77.1 — Defects in glycoprotein degradation (glycoprotein degradation), E80.3 — Defects of catalase and peroxidase (catalase), E80.6 — Other disorders of bilirubin metabolism (bilirubin excretion NEC), F70 — Mild intellectual disabilities (high grade), F80.9 — Developmental disorder of speech and language, unspecified (speech, developmental), H35.89 — Other specified retinal disorders (retinal nerve bundle fibers), H54.7 — Unspecified visual loss (vision NEC), I23.1 — Atrial septal defect as current complication following acute myocardial infarction (atrial septal, following acute myocardial infarction), I23.2 — Ventricular septal defect as current complication following acute myocardial infarction (ventricular septal, following acute myocardial infarction), I45.9 — Conduction disorder, unspecified (conduction), I51.0 — Cardiac septal defect, acquired (septal NOS, acquired), I99.9 — Unspecified disorder of circulatory system (vascular), K00.5 — Hereditary disturbances in tooth structure, not elsewhere classified (dentin), K03.1 — Abrasion of teeth (teeth, wedge), K08.50 — Unsatisfactory restoration of tooth, unspecified (dental restoration), K08.59 — Other unsatisfactory restoration of tooth (dental restoration, specified NEC), +93 more

Contextual Map

Every relationship of H53.40 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run H53.40 with this related code in Claim Check

Hierarchy

Referenced by Use Additional Code instructions

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

  • MDC 02 — Diseases and Disorders of the Eye[MDC crossing]: “Diseases and Disorders of the Eye — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 1,200 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2026

Index entries

  • Defect, defective, visual field[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026

Nearest codes (40)

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
Inpatient payment groups Official source data
CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43 Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder structured relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Cite this page

Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.

MedCoder.ai. "H53.40 — Unspecified visual field defects." ICD-10-CM FY2026. https://medcoder.ai/icd10/code/h53.40-unspecified-visual-field-defects

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Unspecified visual field defects

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027 (effective October 1, 2026), and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to H53.40 in its code family, with their registry titles.

View all codes in the H53 family