ICD-10 · PDGM grouping
E05 Thyrotoxicosis [hyperthyroidism]
All 14 codes in the E05 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
14
Can lead a claim
14
Cannot lead a claim
0
What CMS assigns to E05
All 14 codes group to MMTA - Endocrine. None of the 14 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in E05
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| E05.0 Thyrotoxicosis with diffuse goiter | ||||
| E05.00 | Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or stormCMS: Thyrotoxicosis w diffuse goiter w/o thyrotoxic crisis | Can lead a claim | I | None |
| E05.01 | Thyrotoxicosis with diffuse goiter with thyrotoxic crisis or stormCMS: Thyrotoxicosis w diffuse goiter w thyrotoxic crisis or storm | Can lead a claim | I | None |
| E05.1 Thyrotoxicosis with toxic single thyroid nodule | ||||
| E05.10 | Thyrotoxicosis with toxic single thyroid nodule without thyrotoxic crisis or stormCMS: Thyrotxcosis w toxic sing thyroid nodule w/o thyrotxc crisis | Can lead a claim | I | None |
| E05.11 | Thyrotoxicosis with toxic single thyroid nodule with thyrotoxic crisis or stormCMS: Thyrotxcosis w toxic single thyroid nodule w thyrotxc crisis | Can lead a claim | I | None |
| E05.2 Thyrotoxicosis with toxic multinodular goiter | ||||
| E05.20 | Thyrotoxicosis with toxic multinodular goiter without thyrotoxic crisis or stormCMS: Thyrotxcosis w toxic multinod goiter w/o thyrotoxic crisis | Can lead a claim | I | None |
| E05.21 | Thyrotoxicosis with toxic multinodular goiter with thyrotoxic crisis or stormCMS: Thyrotxcosis w toxic multinodular goiter w thyrotoxic crisis | Can lead a claim | I | None |
| E05.3 Thyrotoxicosis from ectopic thyroid tissue | ||||
| E05.30 | Thyrotoxicosis from ectopic thyroid tissue without thyrotoxic crisis or stormCMS: Thyrotxcosis from ectopic thyroid tissue w/o thyrotxc crisis | Can lead a claim | I | None |
| E05.31 | Thyrotoxicosis from ectopic thyroid tissue with thyrotoxic crisis or stormCMS: Thyrotxcosis from ectopic thyroid tissue w thyrotoxic crisis | Can lead a claim | I | None |
| E05.4 Thyrotoxicosis factitia | ||||
| E05.40 | Thyrotoxicosis factitia without thyrotoxic crisis or storm | Can lead a claim | I | None |
| E05.41 | Thyrotoxicosis factitia with thyrotoxic crisis or storm | Can lead a claim | I | None |
| E05.8 Other thyrotoxicosis | ||||
| E05.80 | Other thyrotoxicosis without thyrotoxic crisis or storm | Can lead a claim | I | None |
| E05.81 | Other thyrotoxicosis with thyrotoxic crisis or storm | Can lead a claim | I | None |
| E05.9 Thyrotoxicosis, unspecified | ||||
| E05.90 | Thyrotoxicosis, unspecified without thyrotoxic crisis or stormCMS: Thyrotoxicosis, unsp without thyrotoxic crisis or storm | Can lead a claim | I | None |
| E05.91 | Thyrotoxicosis, unspecified with thyrotoxic crisis or storm | Can lead a claim | I | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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