L98
Non-Billable

Other disorders of skin and subcutaneous tissue, not elsewhere classified

Non-Billable / Non-Specific Code

What is Other disorders of skin and subcutaneous tissue, not elsewhere classified?

ICD-10-CM L98 is the diagnosis code for Other disorders of skin and subcutaneous tissue, not elsewhere classified. This code falls under the section "Other disorders of the skin and subcutaneous tissue" within Chapter 12 — Diseases of the skin and subcutaneous tissue (L00-L99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for L98

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where L98 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeL98 — Other disorders of skin and subcutaneous tissue, not elsewhere classified
Sub-Codes 11 entries
L98.0Pyogenic granulomaBillableL98.1Factitial dermatitisBillableL98.2Febrile neutrophilic dermatosis [Sweet]BillableL98.3Eosinophilic cellulitis [Wells]BillableL98.4Non-pressure chronic ulcer of skin, not elsewhere classifiedNon-BillableL98.41Non-pressure chronic ulcer of buttockNon-BillableL98.411Non-pressure chronic ulcer of buttock limited to breakdown of skinBillableL98.412Non-pressure chronic ulcer of buttock with fat layer exposedBillableL98.413Non-pressure chronic ulcer of buttock with necrosis of muscleBillableL98.414Non-pressure chronic ulcer of buttock with necrosis of boneBillableL98.415Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosisBillableL98.416Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosisBillableL98.418Non-pressure chronic ulcer of buttock with other specified severityBillableL98.419Non-pressure chronic ulcer of buttock with unspecified severityBillableL98.42Non-pressure chronic ulcer of backNon-BillableL98.421Non-pressure chronic ulcer of back limited to breakdown of skinBillableL98.422Non-pressure chronic ulcer of back with fat layer exposedBillableL98.423Non-pressure chronic ulcer of back with necrosis of muscleBillableL98.424Non-pressure chronic ulcer of back with necrosis of boneBillableL98.425Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosisBillableL98.426Non-pressure chronic ulcer of back with bone involvement without evidence of necrosisBillableL98.428Non-pressure chronic ulcer of back with other specified severityBillableL98.429Non-pressure chronic ulcer of back with unspecified severityBillableL98.43Non-pressure chronic ulcer of abdomenNon-BillableL98.431Non-pressure chronic ulcer of abdomen limited to breakdown of skinBillableL98.432Non-pressure chronic ulcer of abdomen with fat layer exposedBillableL98.433Non-pressure chronic ulcer of abdomen with necrosis of muscleBillableL98.434Non-pressure chronic ulcer of abdomen with necrosis of boneBillableL98.435Non-pressure chronic ulcer of abdomen with muscle involvement without evidence of necrosisBillableL98.436Non-pressure chronic ulcer of abdomen with bone involvement without evidence of necrosisBillableL98.438Non-pressure chronic ulcer of abdomen with other specified severityBillableL98.439Non-pressure chronic ulcer of abdomen with unspecified severityBillableL98.44Non-pressure chronic ulcer of chestNon-BillableL98.441Non-pressure chronic ulcer of chest limited to breakdown of skinBillableL98.442Non-pressure chronic ulcer of chest with fat layer exposedBillableL98.443Non-pressure chronic ulcer of chest with necrosis of muscleBillableL98.444Non-pressure chronic ulcer of chest with necrosis of boneBillableL98.445Non-pressure chronic ulcer of chest with muscle involvement without evidence of necrosisBillableL98.446Non-pressure chronic ulcer of chest with bone involvement without evidence of necrosisBillableL98.448Non-pressure chronic ulcer of chest with other specified severityBillableL98.449Non-pressure chronic ulcer of chest with unspecified severityBillableL98.45Non-pressure chronic ulcer of neckNon-BillableL98.451Non-pressure chronic ulcer of neck limited to breakdown of skinBillableL98.452Non-pressure chronic ulcer of neck with fat layer exposedBillableL98.453Non-pressure chronic ulcer of neck with necrosis of muscleBillableL98.454Non-pressure chronic ulcer of neck with necrosis of boneBillableL98.455Non-pressure chronic ulcer of neck with muscle involvement without evidence of necrosisBillableL98.456Non-pressure chronic ulcer of neck with bone involvement without evidence of necrosisBillableL98.458Non-pressure chronic ulcer of neck with other specified severityBillableL98.459Non-pressure chronic ulcer of neck with unspecified severityBillableL98.46Non-pressure chronic ulcer of faceNon-BillableL98.461Non-pressure chronic ulcer of face limited to breakdown of skinBillableL98.462Non-pressure chronic ulcer of face with fat layer exposedBillableL98.463Non-pressure chronic ulcer of face with necrosis of muscleBillableL98.464Non-pressure chronic ulcer of face with necrosis of boneBillableL98.465Non-pressure chronic ulcer of face with muscle involvement without evidence of necrosisBillableL98.466Non-pressure chronic ulcer of face with bone involvement without evidence of necrosisBillableL98.468Non-pressure chronic ulcer of face with other specified severityBillableL98.469Non-pressure chronic ulcer of face with unspecified severityBillableL98.47Non-pressure chronic ulcer of groinNon-BillableL98.471Non-pressure chronic ulcer of groin limited to breakdown of skinBillableL98.472Non-pressure chronic ulcer of groin with fat layer exposedBillableL98.473Non-pressure chronic ulcer of groin with necrosis of muscleBillableL98.474Non-pressure chronic ulcer of groin with necrosis of boneBillableL98.475Non-pressure chronic ulcer of groin with muscle involvement without evidence of necrosisBillableL98.476Non-pressure chronic ulcer of groin with bone involvement without evidence of necrosisBillableL98.478Non-pressure chronic ulcer of groin with other specified severityBillableL98.479Non-pressure chronic ulcer of groin with unspecified severityBillableL98.49Non-pressure chronic ulcer of skin of other sitesNon-BillableL98.491Non-pressure chronic ulcer of skin of other sites limited to breakdown of skinBillableL98.492Non-pressure chronic ulcer of skin of other sites with fat layer exposedBillableL98.493Non-pressure chronic ulcer of skin of other sites with necrosis of muscleBillableL98.494Non-pressure chronic ulcer of skin of other sites with necrosis of boneBillableL98.495Non-pressure chronic ulcer of skin of other sites with muscle involvement without evidence of necrosisBillableL98.496Non-pressure chronic ulcer of skin of other sites with bone involvement without evidence of necrosisBillableL98.498Non-pressure chronic ulcer of skin of other sites with other specified severityBillableL98.499Non-pressure chronic ulcer of skin of other sites with unspecified severityBillableL98.5Mucinosis of the skinBillableL98.6Other infiltrative disorders of the skin and subcutaneous tissueBillableL98.7Excessive and redundant skin and subcutaneous tissueBillableL98.8Other specified disorders of the skin and subcutaneous tissueBillableL98.9Disorder of the skin and subcutaneous tissue, unspecifiedBillableL98.ANon-pressure chronic ulcer of upper limb, not elsewhere classifiedNon-BillableL98.A1Non-pressure chronic ulcer of upper armNon-BillableL98.A11Non-pressure chronic ulcer of right upper armNon-BillableL98.A111Non-pressure chronic ulcer of right upper arm limited to breakdown of skinBillableL98.A112Non-pressure chronic ulcer of right upper arm with fat layer exposedBillableL98.A113Non-pressure chronic ulcer of right upper arm with necrosis of muscleBillableL98.A114Non-pressure chronic ulcer of right upper arm with necrosis of boneBillableL98.A115Non-pressure chronic ulcer of right upper arm with muscle involvement without evidence of necrosisBillableL98.A116Non-pressure chronic ulcer of right upper arm with bone involvement without evidence of necrosisBillableL98.A118Non-pressure chronic ulcer of right upper arm with other specified severityBillableL98.A119Non-pressure chronic ulcer of right upper arm with unspecified severityBillableL98.A12Non-pressure chronic ulcer of left upper armNon-BillableL98.A121Non-pressure chronic ulcer of left upper arm limited to breakdown of skinBillableL98.A122Non-pressure chronic ulcer of left upper arm with fat layer exposedBillableL98.A123Non-pressure chronic ulcer of left upper arm with necrosis of muscleBillableL98.A124Non-pressure chronic ulcer of left upper arm with necrosis of boneBillableL98.A125Non-pressure chronic ulcer of left upper arm with muscle involvement without evidence of necrosisBillableL98.A126Non-pressure chronic ulcer of left upper arm with bone involvement without evidence of necrosisBillableL98.A128Non-pressure chronic ulcer of left upper arm with other specified severityBillableL98.A129Non-pressure chronic ulcer of left upper arm with unspecified severityBillableL98.A19Non-pressure chronic ulcer of unspecified upper armNon-BillableL98.A191Non-pressure chronic ulcer of unspecified upper arm limited to breakdown of skinBillableL98.A192Non-pressure chronic ulcer of unspecified upper arm with fat layer exposedBillableL98.A193Non-pressure chronic ulcer of unspecified upper arm with necrosis of muscleBillableL98.A194Non-pressure chronic ulcer of unspecified upper arm with necrosis of boneBillableL98.A195Non-pressure chronic ulcer of unspecified upper arm with muscle involvement without evidence of necrosisBillableL98.A196Non-pressure chronic ulcer of unspecified upper arm with bone involvement without evidence of necrosisBillableL98.A198Non-pressure chronic ulcer of unspecified upper arm with other specified severityBillableL98.A199Non-pressure chronic ulcer of unspecified upper arm with unspecified severityBillableL98.A2Non-pressure chronic ulcer of forearmNon-BillableL98.A21Non-pressure chronic ulcer of right forearmNon-BillableL98.A211Non-pressure chronic ulcer of right forearm limited to breakdown of skinBillableL98.A212Non-pressure chronic ulcer of right forearm with fat layer exposedBillableL98.A213Non-pressure chronic ulcer of right forearm with necrosis of muscleBillableL98.A214Non-pressure chronic ulcer of right forearm with necrosis of boneBillableL98.A215Non-pressure chronic ulcer of right forearm with muscle involvement without evidence of necrosisBillableL98.A216Non-pressure chronic ulcer of right forearm with bone involvement without evidence of necrosisBillableL98.A218Non-pressure chronic ulcer of right forearm with other specified severityBillableL98.A219Non-pressure chronic ulcer of right forearm with unspecified severityBillableL98.A22Non-pressure chronic ulcer of left forearmNon-BillableL98.A221Non-pressure chronic ulcer of left forearm limited to breakdown of skinBillableL98.A222Non-pressure chronic ulcer of left forearm with fat layer exposedBillableL98.A223Non-pressure chronic ulcer of left forearm with necrosis of muscleBillableL98.A224Non-pressure chronic ulcer of left forearm with necrosis of boneBillableL98.A225Non-pressure chronic ulcer of left forearm with muscle involvement without evidence of necrosisBillableL98.A226Non-pressure chronic ulcer of left forearm with bone involvement without evidence of necrosisBillableL98.A228Non-pressure chronic ulcer of left forearm with other specified severityBillableL98.A229Non-pressure chronic ulcer of left forearm with unspecified severityBillableL98.A29Non-pressure chronic ulcer of unspecified forearmNon-BillableL98.A291Non-pressure chronic ulcer of unspecified forearm limited to breakdown of skinBillableL98.A292Non-pressure chronic ulcer of unspecified forearm with fat layer exposedBillableL98.A293Non-pressure chronic ulcer of unspecified forearm with necrosis of muscleBillableL98.A294Non-pressure chronic ulcer of unspecified forearm with necrosis of boneBillableL98.A295Non-pressure chronic ulcer of unspecified forearm with muscle involvement without evidence of necrosisBillableL98.A296Non-pressure chronic ulcer of unspecified forearm with bone involvement without evidence of necrosisBillableL98.A298Non-pressure chronic ulcer of unspecified forearm with other specified severityBillableL98.A299Non-pressure chronic ulcer of unspecified forearm with unspecified severityBillableL98.A3Non-pressure chronic ulcer of handNon-BillableL98.A31Non-pressure chronic ulcer of right handNon-BillableL98.A311Non-pressure chronic ulcer of right hand limited to breakdown of skinBillableL98.A312Non-pressure chronic ulcer of right hand with fat layer exposedBillableL98.A313Non-pressure chronic ulcer of right hand with necrosis of muscleBillableL98.A314Non-pressure chronic ulcer of right hand with necrosis of boneBillableL98.A315Non-pressure chronic ulcer of right hand with muscle involvement without evidence of necrosisBillableL98.A316Non-pressure chronic ulcer of right hand with bone involvement without evidence of necrosisBillableL98.A318Non-pressure chronic ulcer of right hand with other specified severityBillableL98.A319Non-pressure chronic ulcer of right hand with unspecified severityBillableL98.A32Non-pressure chronic ulcer of left handNon-BillableL98.A321Non-pressure chronic ulcer of left hand limited to breakdown of skinBillableL98.A322Non-pressure chronic ulcer of left hand with fat layer exposedBillableL98.A323Non-pressure chronic ulcer of left hand with necrosis of muscleBillableL98.A324Non-pressure chronic ulcer of left hand with necrosis of boneBillableL98.A325Non-pressure chronic ulcer of left hand with muscle involvement without evidence of necrosisBillableL98.A326Non-pressure chronic ulcer of left hand with bone involvement without evidence of necrosisBillableL98.A328Non-pressure chronic ulcer of left hand with other specified severityBillableL98.A329Non-pressure chronic ulcer of left hand with unspecified severityBillableL98.A39Non-pressure chronic ulcer of unspecified handNon-BillableL98.A391Non-pressure chronic ulcer of unspecified hand limited to breakdown of skinBillableL98.A392Non-pressure chronic ulcer of unspecified hand with fat layer exposedBillableL98.A393Non-pressure chronic ulcer of unspecified hand with necrosis of muscleBillableL98.A394Non-pressure chronic ulcer of unspecified hand with necrosis of boneBillableL98.A395Non-pressure chronic ulcer of unspecified hand with muscle involvement without evidence of necrosisBillableL98.A396Non-pressure chronic ulcer of unspecified hand with bone involvement without evidence of necrosisBillableL98.A398Non-pressure chronic ulcer of unspecified hand with other specified severityBillableL98.A399Non-pressure chronic ulcer of unspecified hand with unspecified severityBillable
Related Codes

Frequently Asked Questions

Is L98 a billable ICD-10-CM code?

No, L98 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does L98 mean?

L98 is the ICD-10-CM diagnosis code for "Other disorders of skin and subcutaneous tissue, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is L98 in?

L98 is located in Section L80-L99 — "Other disorders of the skin and subcutaneous tissue" within Chapter 12 of the ICD-10-CM Tabular List.

What are the sub-codes of L98?

L98 has 11 sub-code(s) that provide more specific detail: L98.0, L98.1, L98.2, L98.3, L98.4 and more.

When should I use L98?

Use L98 when the patients documented diagnosis matches "Other disorders of skin and subcutaneous tissue, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other disorders of skin and subcutaneous tissue, not elsewhere classified?

The ICD-10-CM code for Other disorders of skin and subcutaneous tissue, not elsewhere classified is L98.

Can L98 be used for primary diagnosis?

No, L98 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is L98 in?

L98 is in Chapter 12 of the ICD-10-CM Tabular List.

Is L98 valid for 2026?

Yes, L98 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousL97.929Non-pressure chronic ulcer of unspecified part of left lower leg with unspecified severityNext →L98.0Pyogenic granuloma
Code Details
L98
Other disorders of skin and subcutaneous tissue, not elsewhere classified
Non-Billable / Non-Specific Code
12 — Diseases of the skin and subcutaneous tissue (L00-L99)
L80-L99 — Other disorders of the skin and subcutaneous tissue
2026 ICD-10-CM