ICD-10-CM Codes
H00-H59 Diseases of the eye and adnexa
H46-H47 Disorders of optic nerve and visual pathways
H46- Optic neuritis
2021 ICD-10-CM Diagnosis Code H46.2

2021 ICD-10-CM Diagnosis Code H46.2

Nutritional optic neuropathy

2016

2017

2018

2019

2020

2021

Billable/Specific Code

H46.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM H46.2 became effective on October 1, 2020.
This is the American ICD-10-CM version of H46.2 - other international versions of ICD-10 H46.2 may differ.

The following code(s) above H46.2 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to H46.2:

H00-H59
2021 ICD-10-CM Range H00-H59
Diseases of the eye and adnexa
Note
- Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury (trauma) of eye and orbit (S05.-)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
Diseases of the eye and adnexa
H46
ICD-10-CM Diagnosis Code H46
Optic neuritis
Type 2 Excludes
- ischemic optic neuropathy (H47.01-)
- neuromyelitis optica [Devic] (G36.0)
Optic neuritis

ICD-10-CM H46.2 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

123 Neurological eye disorders

Convert H46.2 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to H46.2:

Neuritis (rheumatoid) M79.2
ICD-10-CM Diagnosis Code M79.2
Neuralgia and neuritis, unspecified
Type 1 Excludes
brachial radiculitis NOS (M54.1)
lumbosacral radiculitis NOS (M54.1)
mononeuropathies (G56-G58)
radiculitis NOS (M54.1)
sciatica (M54.3-M54.4)
- optic (nerve) (hereditary) (sympathetic) H46.9
  ICD-10-CM Diagnosis Code H46.9
  Unspecified optic neuritis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - nutritional H46.2

ICD-10-CM Codes Adjacent To H46.2

H46.0 Optic papillitis

H46.00 …… unspecified eye

H46.01 …… right eye

H46.02 …… left eye

H46.03 …… bilateral

H46.1 Retrobulbar neuritis

H46.10 …… unspecified eye

H46.11 …… right eye

H46.12 …… left eye

H46.13 …… bilateral

H46.2 Nutritional optic neuropathy

H46.3 Toxic optic neuropathy

H46.8 Other optic neuritis

H46.9 Unspecified optic neuritis

H47 Other disorders of optic [2nd] nerve and visual pathways

H47.0 Disorders of optic nerve, not elsewhere classified

H47.01 Ischemic optic neuropathy

H47.011 …… right eye

H47.012 …… left eye

H47.013 …… bilateral

H47.019 …… unspecified eye

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code H46.2

Nutritional optic neuropathy

Diseases of the eye and adnexa

Optic neuritis

Neuralgia and neuritis, unspecified

Unspecified optic neuritis