ICD10BillableValid for clinical use

ICD-10 Code M99.04: Segmental and somatic dysfunction of sacral region

M99.04 is a billable ICD-10 diagnosis code used to classify Segmental and somatic dysfunction of sacral region 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 segmental and somatic dysfunction of sacral region 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
M99Biomechanical lesions, not elsewhere classified (M99)
category
M99Biomechanical lesions, not elsewhere classified
category
M99.0Segmental and somatic dysfunction
currentM99.0

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 SpecialistRheumatologistPsychiatristClinical Psychologist

Coverage-related procedures and services

CPT 27279high
ARTHRODESIS, SACROILIAC JOINT, PERCUTANEOUS OR MINIMALLY INVASIVE, WITH IMAGE GUIDANCE, INCLUDES OBTAINING BONE GRAFT WHEN PERFORMED, UNILATERAL; PLACEMENT OF TRANSARTICULAR DEVICE(S) AND/OR INTRA-ARTICULAR DEVICE(S) PIERCING THE LATERAL OR MEDIAL CORTICES OF THE ILIUM AND THE LATERAL CORTEX OF THE SACRUM
Source: CMS coverage guidance
CPT 98940high
CHIROPRACTIC MANIPULATIVE TREATMENT (CMT); SPINAL, 1-2 REGIONS
Source: CMS coverage guidance
CPT 98941high
CHIROPRACTIC MANIPULATIVE TREATMENT (CMT); SPINAL, 3-4 REGIONS
Source: CMS coverage guidance
CPT 98942high
CHIROPRACTIC MANIPULATIVE TREATMENT (CMT); SPINAL, 5 REGIONS
Source: CMS coverage guidance
CPT 98925high
OSTEOPATHIC MANIPULATIVE TREATMENT (OMT); 1-2 BODY REGIONS INVOLVED
Source: CMS coverage guidance
CPT 98926high
OSTEOPATHIC MANIPULATIVE TREATMENT (OMT); 3-4 BODY REGIONS INVOLVED
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
M99.04

Common synonyms

Segmental and somatic dysfunction of sacral region

Frequently asked questions

Code details

CodeM99.04
SystemICD10
Display nameSegmental and somatic dysfunction of sacral region
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockBiomechanical lesions, not elsewhere classified (M99)

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
DysfunctionDysfunctionDysfunction

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 M99.04 for Segmental and somatic dysfunction of sacral region | HealthAssure