ICD-10 Diagnosis Code S90.424S

Blister (nonthermal), right lesser toe(s), sequela

Diagnosis Code S90.424S

ICD-10: S90.424S
Short Description: Blister (nonthermal), right lesser toe(s), sequela
Long Description: Blister (nonthermal), right lesser toe(s), sequela
This is the 2017 version of the ICD-10-CM diagnosis code S90.424S

Valid for Submission
The code S90.424S is valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Injuries to the ankle and foot (S90-S99)
      • Superficial injury of ankle, foot and toes (S90)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code S90.424S is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 604 - TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITH MCC
  • 605 - TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITHOUT MCC

Present on Admission (POA) Additional informationCallout TooltipPresent on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

The code S90.424S is exempt from POA reporting.

Information for Patients


Skin Conditions

Also called: Cutaneous disorders, Dermatologic disorders

Your skin is your body's largest organ. It covers and protects your body. Your skin

  • Holds body fluids in, preventing dehydration
  • Keeps harmful microbes out, preventing infections
  • Helps you feel things like heat, cold, and pain
  • Keeps your body temperature even
  • Makes vitamin D when the sun shines on it

Anything that irritates, clogs, or inflames your skin can cause symptoms such as redness, swelling, burning, and itching. Allergies, irritants, your genetic makeup, and certain diseases and immune system problems can cause rashes, hives, and other skin conditions. Many skin problems, such as acne, also affect your appearance.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Acrodermatitis
  • Cradle cap
  • Cryotherapy
  • Cutaneous skin tags
  • Dry skin -- self-care
  • Erythema multiforme
  • Granuloma annulare
  • Keratosis pilaris
  • Lichen planus
  • Milia
  • Sebaceous cyst
  • Seborrheic dermatitis
  • Seborrheic keratosis
  • Skin lesion removal
  • Skin lesion removal-aftercare
  • Stasis dermatitis and ulcers


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