🧬 ICD-10 CM H54.62 — Unqualified Visual Loss, Left Eye, Normal Vision Right Eye
Billable Code Confirmed
ICD-10 CM H54.62 is a fully specified, billable 5-character code: the first three characters (H54) identify blindness and low vision, the fourth character (.6) narrows to unqualified visual loss in one eye, and the fifth character (2) specifies that the affected eye is the left, with the right eye documented as having normal vision. Because laterality and the status of the fellow eye are both captured, no further specificity is required.
Non-Billable Parent Codes
H54 (blindness and low vision) — the category header, which carries no information on severity, laterality, or which eye is affected and cannot be billed. H54.6 (unqualified visual loss, one eye) — identifies that only one eye is affected and that severity has not been categorized into low vision or blindness, but omits which eye is affected and requires a fifth character before it is billable.
Clinical Context
ICD-10 CM H54.62 is used specifically when a provider documents visual loss in the left eye without categorizing the severity into the WHO-based low-vision or blindness categories, and separately confirms the right eye has normal vision; this differs from H54.61 (right eye affected, left normal) and H54.60 (affected eye unspecified), so accurate side-specific documentation directly determines which sibling code applies.
Code Classification
ICD-10 CM H54.62 is a diagnosis code (ICD-10-CM) describing a visual/sensory impairment finding, not a procedure code.
🔍 Code Description
ICD-10 CM H54.62 describes visual loss confined to the left eye that has not been further categorized by the provider into a specific severity tier (low vision vs. blindness) under the WHO visual-impairment classification referenced in the H54 category note, while explicitly documenting that the right eye retains normal vision. This “unqualified” designation is used when the medical record establishes that vision loss is present and lateralized, but does not include the visual acuity or visual field measurements needed to assign a more granular severity code such as H54.42 (blindness, left eye, normal vision right eye) or H54.52 (low vision, left eye, normal vision right eye).
Clinically, this code functions as an interim or non-specific descriptor and is frequently used when visual loss is newly reported, acute, or pending full ophthalmologic work-up, rather than as a long-term functional-status code. Selection of H54.62 over its unilateral siblings depends entirely on which eye is affected as documented by the provider — using H54.61 would incorrectly reverse laterality, while defaulting to H54.60 would discard laterality information that is actually available in the chart.
🌳 Code Tree / Hierarchy
H54 Blindness and low vision ❌ Non-billable
│
├── H54.0 Blindness, both eyes ❌ Non-billable (requires further characters)
│
├── H54.4 Blindness, one eye, normal vision other eye ❌ Non-billable (category)
│ ├── H54.41 Blindness, right eye, normal vision left eye ✅ Billable
│ └── H54.42 Blindness, left eye, normal vision right eye ✅ Billable
│
├── H54.6 Unqualified visual loss, one eye ❌ Non-billable (category)
│ │
│ ├── H54.60 Unqualified visual loss, one eye, unspecified eye, normal vision other eye ✅ Billable
│ ├── H54.61 Unqualified visual loss, right eye, normal vision left eye ✅ Billable
│ └── H54.62 Unqualified visual loss, left eye, normal vision right eye ◀ THIS CODE ✅ Billable
│
└── H54.7 Unspecified visual loss ✅ BillableSpecificity Matters for Severity-Based Claims Editing
Some payer LCDs (e.g., for visual field testing or visual electrophysiology testing) recognize the entire H54.6x family as a covered indication for diagnostic eye testing, but distinguishing H54.62 from H54.42/H54.52 still matters clinically, since it signals that formal severity grading has not yet been completed and may itself justify additional diagnostic workup.
Tip
✅ Includes
- Visual impairment category 9 in the left eye (unqualified/unspecified severity) with documented normal vision in the right eye.
- Newly identified or provisional visual loss confined to the left eye, pending formal low-vision or blindness severity classification.
❌ Excludes
Excludes 1
G45.3 — Amaurosis fugax. This condition represents transient monocular vision loss of vascular/ischemic origin and is mutually exclusive with H54.62, since amaurosis fugax is coded to its own neurologic category rather than as an unqualified visual-loss finding.
Danger
A common Excludes1 error is coding H54.62 for a patient whose documented “temporary” or “transient” vision loss actually meets the clinical definition of amaurosis fugax — if the episode is described as transient and resolved, query the provider rather than defaulting to H54.62.
Excludes 2
No Excludes2 codes are identified specifically at the H54.62 level in the FY2026 tabular list; however, coders should separately capture and code any documented underlying etiology of the vision loss (e.g., a retinal, optic nerve, or cerebrovascular condition) per the “Code First” convention at the H54 category level, since these etiologic conditions are not part of H54.62 itself and may be reported concurrently.
📋 Clinical Overview
Unqualified Visual Loss vs. Graded Severity Codes
The key clinical distinction driving code selection within this family is whether the provider has documented enough clinical detail (visual acuity, visual field extent) to assign a graded severity code, or whether only the fact and laterality of vision loss are established.
| Feature | H54.62 | Related H54.42 | Related H54.52 |
|---|---|---|---|
| Severity documentation | Severity not graded; only presence and laterality of vision loss documented. | Meets WHO blindness-category criteria (categories 3-5) in the left eye. | Meets WHO low-vision criteria (categories 1-2) in the left eye. |
| Typical clinical scenario | Acute or newly reported vision loss pending complete ophthalmologic evaluation. | Established, formally graded severe vision loss. | Established, formally graded mild-to-moderate vision loss. |
| Coding stability | Often a transitional code, expected to be updated to a graded code once evaluation is complete. | Represents a more definitive, stable functional-status code. | Represents a more definitive, stable functional-status code. |
Important
Manifestations & Symptom Burden
- Subjective report of diminished or absent vision confined to the left eye.
- Documented normal visual acuity and function in the right eye on exam.
- May present acutely (e.g., following trauma or vascular event) or be identified incidentally during a comprehensive eye exam.
Tip
Because H54.62 does not itself specify etiology, always review the chart for an underlying ocular or neurologic diagnosis (e.g., optic neuritis, retinal detachment, stroke) that should be sequenced per the H54 “Code First” convention when documented.
💰 HCC Risk Adjustment
| Model | HCC Category | RAF Weight | Notes |
|---|---|---|---|
| CMS-HCC V28 (PY2026) | N/A — not currently a payment HCC | N/A | Unqualified visual-loss codes are not among the 115 current CMS-HCC V28 payment categories — flag to verify against current CMS-HCC V28 model software rather than relying solely on this note. |
ICD-10 CM H54.62 does not independently generate risk-adjustment value under CMS-HCC V28 for Payment Year 2026. If the vision loss is a manifestation of an HCC-eligible chronic underlying condition (for example, a chronic retinal vascular disease or a residual condition following stroke), that underlying diagnosis should be separately identified, documented with MEAT criteria, and coded, since it — not H54.62 — is what may carry RAF value.
🏥 MS-DRG Assignment
| DRG | Title | CC/MCC Tier |
|---|---|---|
| 124 | Other Disorders of the Eye with MCC or Thrombolytic Agent | With MCC (or thrombolytic administration) |
| 125 | Other Disorders of the Eye without MCC | Without MCC |
ICD-10 CM H54.62 groups to MDC 02 (Diseases and Disorders of the Eye), DRG 124/125. Because this code family does not have a distinct “with CC” tier, DRG weight differentiation depends solely on whether an MCC-level secondary diagnosis (or, per the 2024 IPPS update, administration of a thrombolytic agent) is also present and documented; a straightforward admission for evaluation of unqualified left-eye visual loss without a qualifying MCC groups to DRG 125 — flag exact relative weights for direct verification against the current IPPS Final Rule. NCD/LCD note: no dedicated National Coverage Determination specific to H54.62 or unqualified visual loss was identified in the curren**t Medicare Coverage Database search.**¹ However, H54.62 (along with the broader H54 family) is recognized as a covered diagnosis code supporting medical necessity under several Medicare Administrative Contractor Local Coverage Determinations, including LCDs for Visual Fields Testing and Visual Electrophysiology Testing, when the diagnostic test is ordered to further evaluate documented, unqualified unilateral vision loss.²
🔗 Related ICD-10-CM Codes
Same Family — Laterality/Specificity Variants
- H54.60 — Unqualified visual loss, one eye, unspecified eye, normal vision other eye
- H54.61 — Unqualified visual loss, right eye, normal vision left eye
- H54.7 — Unspecified visual loss
Graded Severity Alternatives, Left Eye
- H54.42 — Blindness, left eye, normal vision right eye
- H54.52 — Low vision, left eye, normal vision right eye
- H54.12 — Blindness, left eye, low vision right eye
- H54.2 — Low vision, both eyes
🛠️ Commonly Associated CPT Codes
- 92081 — Visual field examination, unilateral or bilateral, with interpretation and report, limited exam; commonly ordered to further characterize the extent of documented vision loss.
- 92083 — Visual field examination, extended exam (e.g., Goldmann perimetry); used for more detailed field mapping when the limited exam is insufficient.
- 92133 — Computerized ophthalmic diagnostic imaging (optical coherence tomography), posterior segment, retina; used to evaluate for a structural retinal cause of the vision loss.
- 92225 — Ophthalmoscopy, extended, with retinal drawing and scleral depression, initial; used when a detailed fundus exam is performed to investigate the etiology.
- 92014 — Ophthalmological services, established patient, comprehensive; supports the office visit during which the vision loss is evaluated and the differential is developed.
- 95930 — Visual evoked potential (VEP) testing central nervous system, checkerboard or flash; used when a neurologic/optic pathway cause of vision loss is being investigated.
🏷️ Modifier Reference
| Modifier | Name | When to Apply |
|---|---|---|
| -LT | Left Side | Apply to associated diagnostic procedure codes (e.g., 92081) to specify that the study addressed the left eye, consistent with H54.62’s laterality. |
| -RT | Right Side | Apply if a bilateral or comparative study is performed and the right (unaffected) eye is separately reported for comparison. |
| -52 | Reduced Services | Apply if a diagnostic test such as extended visual field testing is only partially completed due to patient tolerance. |
| -59 | Distinct Service | Apply when a separately identifiable diagnostic test is performed on the same date as an unrelated ophthalmic procedure. |
NCCI Bundling Considerations
Diagnostic visual field testing (92081/92083) and OCT imaging (92133) are not typically bundled with each other when both are separately medically necessary and clearly documented as addressing distinct diagnostic questions in the work-up of unqualified vision loss; append -59 only when true distinct-service criteria are met and documented.
🔬 ICD-10-PCS Crosswalk
ICD-10 CM H54.62 is a diagnosis code and does not itself convert to a procedure code. No ICD-10-PCS procedure is directly generated by this diagnosis alone; PCS coding would only apply if a therapeutic or diagnostic surgical intervention is separately performed to address the underlying cause of vision loss (e.g., vitrectomy, retinal repair), and the specific PCS code would depend entirely on that underlying procedure rather than on H54.62 itself. Flag for direct chart-specific PCS assignment if a surgical intervention is documented during the same encounter.
💊 Coding Scenarios and Examples
Example 1
Clinical Scenario:
A 61-year-old male presents to the emergency department reporting sudden loss of vision in his left eye over the past several hours. Visual acuity testing is deferred pending ophthalmology consultation, and the right eye is confirmed to have normal vision on exam. No formal severity grading has been performed at the time of this note.
| Field | Code | Rationale |
|---|---|---|
| CPT | 92014--LT | Comprehensive ophthalmologic evaluation addressing the left eye vision loss. |
| PDx | H54.62 | Vision loss is confirmed as left-sided with normal right-eye vision, but severity has not yet been graded, matching this code precisely. |
Tip
If a definitive cause (e.g., central retinal artery occlusion) is identified on the same encounter, that diagnosis should be sequenced as principal with H54.62 reported as an additional finding only if the severity remains ungraded. CDI note: query the provider once visual acuity/field results are available, since this code is often transitional pending formal severity classification.
Example 2
Clinical Scenario:
A 74-year-old female is evaluated in the outpatient ophthalmology clinic for previously reported left-eye vision loss. A visual field exam and OCT of the posterior segment are both performed to investigate a possible retinal etiology; results are pending at the time of the visit note, so the visual loss remains unqualified.
| Field | Code | Rationale |
|---|---|---|
| CPT | 92081--LT | Visual field examination performed to characterize the extent of the left-eye vision loss. |
| CPT 2 | 92133 | OCT imaging of the posterior segment performed to evaluate for a structural retinal cause. |
| PDx | H54.62 | Reflects the confirmed, but still ungraded, left-eye vision loss driving the diagnostic work-up. |
Tip
Sequence H54.62 as the reason for the encounter when no underlying diagnosis has yet been established; once imaging results identify a specific retinal or optic nerve condition, that diagnosis should become principal on subsequent encounters. CDI note: ensure the visit note explicitly states the right eye remains normal, since this detail is required to support H54.62 rather than the unspecified-eye code H54.60.
Example 3
Clinical Scenario:
A 55-year-old male with a history of poorly controlled hypertension is admitted for further work-up of new left-eye vision loss discovered on routine exam. Extended ophthalmoscopy is performed, and neurology is consulted to rule out a cerebrovascular etiology given his risk factors.
| Field | Code | Rationale |
|---|---|---|
| CPT | 92225--LT | Extended ophthalmoscopy with retinal drawing performed to investigate the left-eye finding. |
| PDx | H54.62 | The vision loss remains the confirmed, ungraded principal finding prompting the admission and work-up. |
Tip
If the neurology consult confirms a stroke-related visual pathway lesion, an appropriate cerebrovascular diagnosis code should be added and may become principal depending on documentation and sequencing guidelines; H54.62 would then be reported as an associated manifestation. CDI note: hypertension and any confirmed cerebrovascular findings should be fully documented and coded, as they may be more clinically and administratively significant than the ungraded vision-loss code itself.
⚠️ Coding Pitfalls and Tips
- Pitfall 1: Reversing laterality and assigning H54.61 (right eye) when the chart documents left-eye vision loss; Tips: Always re-read the exam findings carefully, since H54.61 and H54.62 differ only by which eye is affected.
- Pitfall 2: Defaulting to the unspecified-eye code H54.60 when the provider has actually documented a specific side; Tips: Query for laterality only when it is genuinely absent from the record, not as a default habit.
- Pitfall 3: Continuing to report H54.62 indefinitely after visual acuity and field testing results become available that would support a graded severity code such as H54.42 or H54.52; Tips: Re-review the chart at follow-up visits and update the diagnosis once severity grading is documented.
- Pitfall 4: Failing to also code the underlying etiology of the vision loss (e.g., a retinal, optic nerve, or cerebrovascular condition) when documented, since H54.62 alone does not capture causation; Tips: Apply the H54 category’s “Code First” convention and review the full assessment for an identified cause.
- Pitfall 5: Coding H54.62 for a patient whose vision loss is actually transient and resolved, which should instead be captured under G45.3 (amaurosis fugax) per the Excludes1 note; Tips: Confirm whether the vision loss is ongoing/persistent versus transient before finalizing code selection.
- Pitfall 6: Assuming H54.62 carries HCC risk-adjustment value under CMS-HCC V28 and therefore de-prioritizing capture of the true HCC-relevant underlying condition; Tips: Review the chart for an HCC-eligible etiology (e.g., diabetic eye disease) and code it separately with full MEAT documentation.
📚 Sources
1. Centers for Medicare & Medicaid Services. *Medicare Coverage Database (MCD) — NCD/LCD Search.* CMS.gov; 2026. https://www.cms.gov/medicare-coverage-database 2. Novitas Solutions / National Government Services. *Local Coverage Determination: Visual Fields Testing (L33574 / L34394); Local Coverage Determination: Visual Electrophysiology Testing (L36831).* CMS Medicare Coverage Database; 2026. 3. Centers for Medicare and Medicaid Services and the National Center for Health Statistics. *ICD-10-CM 2026, Code H54.62.* NCHS; 2026. https://www.icd10data.com/ICD10CM/Codes/H00-H59/H53-H54/H54-/H54.62 4. Centers for Medicare & Medicaid Services. *ICD-10-CM/PCS MS-DRG v42.0 Definitions Manual, MDC 02.* CMS; 2026.Sources listed above correspond to superscript citations throughout this note. Verify all Medicare payment figures against your current CMS PFS Lookup tool and applicable MAC LCD prior to claim submission. Please use the latest AAPC/AHIMA Coding Books to verify each code within this note.