ICD10BillableValid for clinical use

ICD-10 Code M48.14: Ankylosing hyperostosis [Forestier], thoracic region

M48.14 is a billable ICD-10 diagnosis code used to classify Ankylosing hyperostosis [Forestier], thoracic 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 ankylosing hyperostosis [forestier], thoracic 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
M40-M54Dorsopathies
block
M45-M49Spondylopathies
category
M48Other spondylopathies
category
M48.1Ankylosing hyperostosis [Forestier]
currentM48.1

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 64634high
DESTRUCTION BY NEUROLYTIC AGENT, PARAVERTEBRAL FACET JOINT NERVE(S), WITH IMAGING GUIDANCE (FLUOROSCOPY OR CT); CERVICAL OR THORACIC, EACH ADDITIONAL FACET JOINT (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 64633high
DESTRUCTION BY NEUROLYTIC AGENT, PARAVERTEBRAL FACET JOINT NERVE(S), WITH IMAGING GUIDANCE (FLUOROSCOPY OR CT); CERVICAL OR THORACIC, SINGLE FACET JOINT
Source: CMS coverage guidance
CPT 64636high
DESTRUCTION BY NEUROLYTIC AGENT, PARAVERTEBRAL FACET JOINT NERVE(S), WITH IMAGING GUIDANCE (FLUOROSCOPY OR CT); LUMBAR OR SACRAL, EACH ADDITIONAL FACET JOINT (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 64635high
DESTRUCTION BY NEUROLYTIC AGENT, PARAVERTEBRAL FACET JOINT NERVE(S), WITH IMAGING GUIDANCE (FLUOROSCOPY OR CT); LUMBAR OR SACRAL, SINGLE FACET JOINT
Source: CMS coverage guidance
CPT 64491high
INJECTION(S), DIAGNOSTIC OR THERAPEUTIC AGENT, PARAVERTEBRAL FACET (ZYGAPOPHYSEAL) JOINT (OR NERVES INNERVATING THAT JOINT) WITH IMAGE GUIDANCE (FLUOROSCOPY OR CT), CERVICAL OR THORACIC; SECOND LEVEL (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 64490high
INJECTION(S), DIAGNOSTIC OR THERAPEUTIC AGENT, PARAVERTEBRAL FACET (ZYGAPOPHYSEAL) JOINT (OR NERVES INNERVATING THAT JOINT) WITH IMAGE GUIDANCE (FLUOROSCOPY OR CT), CERVICAL OR THORACIC; SINGLE LEVEL
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
M48.14

Common synonyms

Ankylosing hyperostosis [Forestier], thoracic region

Frequently asked questions

Code details

CodeM48.14
SystemICD10
Display nameAnkylosing hyperostosis [Forestier], thoracic region
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockSpondylopathies

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Hyperostosis(monomelic)

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 M48.14 for Ankylosing hyperostosis [Forestier], thoracic region | HealthAssure