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FY2027 ICD-10-CM reference

G95.81: Conus medullaris syndrome

By the HCC Buddy Coding Team

The official ICD-10-CM descriptor is Conus medullaris syndrome. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Billable code. Verified against the official FY2027 order file.

CMS-HCC V28

  • HCC 182: Spinal Cord Disorders/Injuries · RAF 0.478, Community Non-Dual Aged (CNA)

Payment year 2027, 2026 dates of service. HCC from the CMS 2027 Initial ICD-10-CM Mappings; RAF from the CMS-HCC V28 relative factors. For 2027 dates of service, CMS has not yet published the payment year 2028 mappings.

CMS-HCC V24

Not used for payment year 2027 Medicare Advantage payment

ESRD

Source verification pending

PACE

Source verification pending

RxHCC

Source verification pending

HHS-HCC

Source verification pending

FY2027 Tabular instructions

Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.

Excludes2

certain conditions originating in the perinatal period (P04-P96)

Source: G00-G99 (chapter, inherited).

Excludes2

certain infectious and parasitic diseases (A00-B99)

Source: G00-G99 (chapter, inherited).

Excludes2

complications of pregnancy, childbirth and the puerperium (O00-O9A)

Source: G00-G99 (chapter, inherited).

Excludes2

congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

Source: G00-G99 (chapter, inherited).

Excludes2

endocrine, nutritional and metabolic diseases (E00-E88)

Source: G00-G99 (chapter, inherited).

Excludes2

injury, poisoning and certain other consequences of external causes (S00-T88)

Source: G00-G99 (chapter, inherited).

Excludes2

neoplasms (C00-D49)

Source: G00-G99 (chapter, inherited).

Excludes2

symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: G00-G99 (chapter, inherited).

Excludes2

myelitis (G04.-)

Source: G95 (category, inherited).

Excludes1

neurogenic bladder NOS (N31.9)

Source: G95.8 (self, inherited).

Excludes1

neurogenic bladder due to cauda equina syndrome (G83.4)

Source: G95.8 (self, inherited).

Excludes1

neuromuscular dysfunction of bladder without spinal cord lesion (N31.-)

Source: G95.8 (self, inherited).

Source: CMS FY2027 Tabular List and Alphabetic Index.

Open Tabular instructions and code details

Compare the FY2027 additions, removals and billable-status changes

What does G95.81 mean in FY2027?

The official ICD-10-CM descriptor is Conus medullaris syndrome. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Is G95.81 billable in FY2027?

The FY2027 order file marks G95.81 as billable. Check the complete Tabular instructions and documentation before assigning it.

Does G95.81 map to an HCC?

In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), G95.81 maps to CMS-HCC V28 HCC 182 (Spinal Cord Disorders/Injuries). For 2027 dates of service, CMS has not yet published the payment year 2028 mappings. ESRD, RxHCC, PACE and HHS-HCC mappings are still pending verification for FY2027.

Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.

Review the FY2026 April edition