2021 ICD-10-CM Code R23.9
Unspecified skin changes
Valid for Submission
R23.9 is a billable diagnosis code used to specify a medical diagnosis of unspecified skin changes. The code R23.9 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code R23.9 might also be used to specify conditions or terms like cutaneous insect bite reaction, finding of integrity of skin, insect bite reaction, o/e - sign - subcutaneous, o/e - sign in skin , poems syndrome, etc.
Unspecified diagnosis codes like R23.9 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.
According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.
Code Classification
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code R23.9 are found in the index:
- - Change (s) (in) (of) - See Also: Removal;
- - skin - R23.9
- - Symptoms NEC - R68.89
- - involving
- - skin and integument - R23.9
- - skin and integument NEC - R23.9
- - subcutaneous tissue NEC - R23.9
- - involving
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Cutaneous insect bite reaction
- Finding of integrity of skin
- Insect bite reaction
- O/E - sign - subcutaneous
- O/E - sign in skin
- POEMS syndrome
- Poor skin condition
- Skin appearance abnormal
- Skin changes due to malnutrition
- Skin disorder monitoring status
- Skin problem
- Skin sign from acute arsenic toxicity
- Skin symptom
- Skin symptom change
- Symptom of skin and integumentary tissue
- Unhealthy skin
Diagnostic Related Groups - MS-DRG Mapping
The ICD-10 code R23.9 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2021.
Convert R23.9 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code R23.9 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
- 782.9 - Integument tiss symp NEC (Approximate Flag)
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 (Medical Encyclopedia)
- Cryotherapy (Medical Encyclopedia)
- Cutaneous skin tags (Medical Encyclopedia)
- Dry skin -- self-care (Medical Encyclopedia)
- Erythema multiforme (Medical Encyclopedia)
- Granuloma annulare (Medical Encyclopedia)
- Keratosis pilaris (Medical Encyclopedia)
- Lichen planus (Medical Encyclopedia)
- Milia (Medical Encyclopedia)
- Sebaceous cyst (Medical Encyclopedia)
- Seborrheic keratosis (Medical Encyclopedia)
- Skin lesion removal (Medical Encyclopedia)
- Skin lesion removal-aftercare (Medical Encyclopedia)
- Stasis dermatitis and ulcers (Medical Encyclopedia)
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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)