2020 ICD-10-CM Diagnosis Code S04.042A

Injury of visual cortex, left side, initial encounter

    2016 2017 2018 - Revised Code 2019 2020 Billable/Specific Code
  • S04.042A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM S04.042A became effective on October 1, 2019.
  • This is the American ICD-10-CM version of S04.042A - other international versions of ICD-10 S04.042A may differ.
The following code(s) above S04.042A 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 S04.042A:
  • S00-T88
    2020 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • S00-S09
    2020 ICD-10-CM Range S00-S09

    Injuries to the head

    Code Also
    • for any associated infection
    Includes
    • injuries of ear
    • injuries of eye
    • injuries of face [any part]
    • injuries of gum
    • injuries of jaw
    • injuries of oral cavity
    • injuries of palate
    • injuries of periocular area
    • injuries of scalp
    • injuries of temporomandibular joint area
    • injuries of tongue
    • injuries of tooth
    Type 2 Excludes
    • burns and corrosions (T20-T32)
    • effects of foreign body in ear (T16)
    • effects of foreign body in larynx (T17.3)
    • effects of foreign body in mouth NOS (T18.0)
    • effects of foreign body in nose (T17.0-T17.1)
    • effects of foreign body in pharynx (T17.2)
    • effects of foreign body on external eye (T15.-)
    • frostbite (T33-T34)
    • insect bite or sting, venomous (T63.4)
    Injuries to the head
  • S04
    ICD-10-CM Diagnosis Code S04

    Injury of cranial nerve

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • The selection of side should be based on the side of the body being affected
    Code First
    • any associated intracranial injury (S06.-)
    Code Also
    • any associated:
    • open wound of head (S01.-)
    • skull fracture (S02.-)
    Injury of cranial nerve
  • S04.0
    ICD-10-CM Diagnosis Code S04.0

    Injury of optic nerve and pathways

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • code to identify any visual field defect or blindness (H53.4-, H54.-)
    Injury of optic nerve and pathways
Approximate Synonyms
  • Injury to left visual cortex
  • Left visual cortex injury
ICD-10-CM S04.042A is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 091 Other disorders of nervous system with mcc
  • 092 Other disorders of nervous system with cc
  • 093 Other disorders of nervous system without cc/mcc
  • 955 Craniotomy for multiple significant trauma
  • 956 Limb reattachment, hip and femur procedures for multiple significant trauma
  • 957 Other o.r. Procedures for multiple significant trauma with mcc
  • 958 Other o.r. Procedures for multiple significant trauma with cc
  • 959 Other o.r. Procedures for multiple significant trauma without cc/mcc
  • 963 Other multiple significant trauma with mcc
  • 964 Other multiple significant trauma with cc
  • 965 Other multiple significant trauma without cc/mcc

Convert S04.042A 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): Revised code
    • New description: Injury of visual cortex, left side, initial encounter
    • 2017 description: Injury of visual cortex, left eye, initial encounter
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To S04.042A
S04.039 Injury of optic tract and pathways, unspecified side
S04.039A …… initial encounter
S04.039D …… subsequent encounter
S04.039S …… sequela
S04.04 Injury of visual cortex
S04.041 Injury of visual cortex, right side
S04.041A …… initial encounter
S04.041D …… subsequent encounter
S04.041S …… sequela
S04.042 Injury of visual cortex, left side
S04.042A …… initial encounter
S04.042D …… subsequent encounter
S04.042S …… sequela
S04.049 Injury of visual cortex, unspecified side
S04.049A …… initial encounter
S04.049D …… subsequent encounter
S04.049S …… sequela
S04.1 Injury of oculomotor nerve
S04.10 Injury of oculomotor nerve, unspecified side
S04.10XA …… initial encounter
S04.10XD …… subsequent encounter

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