FY2027 ICD-10-CM reference
F50.010: Anorexia nervosa, restricting type, mild
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Anorexia nervosa, restricting type, mild. 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.
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Includes
disorders of psychological development
Source: F01-F99 (chapter, inherited).
Excludes2
symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Source: F01-F99 (chapter, inherited).
Excludes1
anorexia NOS (R63.0)
Source: F50 (category, inherited).
Excludes1
feeding problems of newborn (P92.-)
Source: F50 (category, inherited).
Excludes1
polyphagia (R63.2)
Source: F50 (category, inherited).
Excludes2
feeding difficulties (R63.3-)
Source: F50 (category, inherited).
Excludes2
feeding disorder in infancy or childhood (F98.2-)
Source: F50 (category, inherited).
Excludes1
loss of appetite (R63.0)
Source: F50.0 (self, inherited).
Excludes1
psychogenic loss of appetite (F50.89)
Source: F50.0 (self, inherited).
Instructional note
Anorexia nervosa, restricting type, with a body mass index greater than or equal to 17 kg/m2
Source: F50.010 (self, direct).
Compare the FY2027 additions, removals and billable-status changes
What does F50.010 mean in FY2027?
The official ICD-10-CM descriptor is Anorexia nervosa, restricting type, mild. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is F50.010 billable in FY2027?
The FY2027 order file marks F50.010 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does F50.010 map to an HCC?
In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), F50.010 maps to CMS-HCC V28 HCC 153 (Personality Disorders; Anorexia/Bulimia Nervosa). 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