2022 ICD-10-CM Code H01.00

Unspecified blepharitis

Version 2021

Not Valid for Submission

ICD-10:H01.00
Short Description:Unspecified blepharitis
Long Description:Unspecified blepharitis

Code Classification

  • Diseases of the eye and adnexa (H00–H59)
    • Disorders of eyelid, lacrimal system and orbit (H00-H05)
      • Other inflammation of eyelid (H01)

H01.00 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of unspecified blepharitis. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like H01.00 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding for Unspecified blepharitis

Non-specific codes like H01.00 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for unspecified blepharitis:

  • BILLABLE CODE - Use H01.001 for Unspecified blepharitis right upper eyelid
  • BILLABLE CODE - Use H01.002 for Unspecified blepharitis right lower eyelid
  • BILLABLE CODE - Use H01.003 for Unspecified blepharitis right eye, unspecified eyelid
  • BILLABLE CODE - Use H01.004 for Unspecified blepharitis left upper eyelid
  • BILLABLE CODE - Use H01.005 for Unspecified blepharitis left lower eyelid
  • BILLABLE CODE - Use H01.006 for Unspecified blepharitis left eye, unspecified eyelid
  • BILLABLE CODE - Use H01.009 for Unspecified blepharitis unspecified eye, unspecified eyelid
  • BILLABLE CODE - Use H01.00A for Unspecified blepharitis right eye, upper and lower eyelids
  • BILLABLE CODE - Use H01.00B for Unspecified blepharitis left eye, upper and lower eyelids

Clinical Information

Information for Patients


Eyelid Disorders

Your eyelids help protect your eyes. When you blink, your eyelids spread moisture over your eyes. Blinking also helps move dirt or other particles off the surface of the eye. You close your eyelids when you see something coming toward your eyes. This can help protect against injuries.

Like most other parts of your body, your eyelids can get infected, inflamed, or even develop cancer. There are also specific eyelid problems, including

Treatment of eyelid problems depends on the cause.


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)