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ICD-10 Code M72.6: Necrotizing fasciitis

M72.6 is a billable ICD-10 diagnosis code used to classify Necrotizing fasciitis in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).

When is it used?

  • May be used when a clinician documents necrotizing fasciitis in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
13Diseases of the musculoskeletal system and connective tissue (M00-M99)
block
M60-M79Soft tissue disorders
block
M70-M79Other soft tissue disorders
category
M72Fibroblastic disorders
currentM72

Official coding notes

Applicable to
  • code (B95.-, B96.-) to identify causative organism
Use additional code
  • code (B95.-, B96.-) to identify causative organism

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Orthopedic SpecialistRheumatologist

Coverage-related procedures and services

CPT 97598high
DEBRIDEMENT (EG, HIGH PRESSURE WATERJET WITH/WITHOUT SUCTION, SHARP SELECTIVE DEBRIDEMENT WITH SCISSORS, SCALPEL AND FORCEPS), OPEN WOUND, (EG, FIBRIN, DEVITALIZED EPIDERMIS AND/OR DERMIS, EXUDATE, DEBRIS, BIOFILM), INCLUDING TOPICAL APPLICATION(S), WOUND ASSESSMENT, USE OF A WHIRLPOOL, WHEN PERFORMED AND INSTRUCTION(S) FOR ONGOING CARE, PER SESSION, TOTAL WOUND(S) SURFACE AREA; EACH ADDITIONAL 20 SQ CM, OR PART THEREOF (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 97597high
DEBRIDEMENT (EG, HIGH PRESSURE WATERJET WITH/WITHOUT SUCTION, SHARP SELECTIVE DEBRIDEMENT WITH SCISSORS, SCALPEL AND FORCEPS), OPEN WOUND, (EG, FIBRIN, DEVITALIZED EPIDERMIS AND/OR DERMIS, EXUDATE, DEBRIS, BIOFILM), INCLUDING TOPICAL APPLICATION(S), WOUND ASSESSMENT, USE OF A WHIRLPOOL, WHEN PERFORMED AND INSTRUCTION(S) FOR ONGOING CARE, PER SESSION, TOTAL WOUND(S) SURFACE AREA; FIRST 20 SQ CM OR LESS
Source: CMS coverage guidance
CPT 97606high
NEGATIVE PRESSURE WOUND THERAPY (EG, VACUUM ASSISTED DRAINAGE COLLECTION), UTILIZING DURABLE MEDICAL EQUIPMENT (DME), INCLUDING TOPICAL APPLICATION(S), WOUND ASSESSMENT, AND INSTRUCTION(S) FOR ONGOING CARE, PER SESSION; TOTAL WOUND(S) SURFACE AREA GREATER THAN 50 SQUARE CENTIMETERS
Source: CMS coverage guidance
CPT 97605high
NEGATIVE PRESSURE WOUND THERAPY (EG, VACUUM ASSISTED DRAINAGE COLLECTION), UTILIZING DURABLE MEDICAL EQUIPMENT (DME), INCLUDING TOPICAL APPLICATION(S), WOUND ASSESSMENT, AND INSTRUCTION(S) FOR ONGOING CARE, PER SESSION; TOTAL WOUND(S) SURFACE AREA LESS THAN OR EQUAL TO 50 SQUARE CENTIMETERS
Source: CMS coverage guidance
CPT 97602high
REMOVAL OF DEVITALIZED TISSUE FROM WOUND(S), NON-SELECTIVE DEBRIDEMENT, WITHOUT ANESTHESIA (EG, WET-TO-MOIST DRESSINGS, ENZYMATIC, ABRASION, LARVAL THERAPY), INCLUDING TOPICAL APPLICATION(S), WOUND ASSESSMENT, AND INSTRUCTION(S) FOR ONGOING CARE, PER SESSION
Source: CMS coverage guidance
CPT 97034high
APPLICATION OF A MODALITY TO 1 OR MORE AREAS; CONTRAST BATHS, EACH 15 MINUTES
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
M72.6

Common synonyms

Necrotizing fasciitis

Frequently asked questions

Code details

CodeM72.6
SystemICD10
Display nameNecrotizing fasciitis
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockOther soft tissue disorders

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
FasciitisFasciitis

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code M72.6 for Necrotizing fasciitis | HealthAssure